'Part' in the Bible

He built twenty cubits on the hinder part of the house with boards of cedar from the floor to the walls [of the ceiling]: he built [them] for it within, for an oracle, even for the most holy place.

Five cubits was the one wing of the cherub, and five cubits the other wing of the cherub: from the uttermost part of the one wing to the uttermost part of the other were ten cubits.

For the entrance of the oracle he made doors of olive wood: the lintel [and] door posts were a fifth part [of the wall].

So also made he for the entrance of the temple door posts of olive wood, out of a fourth part [of the wall];