\[6\sqrt{\frac{1}{3}} = \frac{1}{4}\sqrt{192}\]
\[6\sqrt{\frac{1}{3}} = \sqrt{\frac{36}{3}} = \sqrt{12}\]
\[\frac{1}{4}\sqrt{192} = \sqrt{\frac{192}{16}} = \sqrt{12}\]
\[\sqrt{12} = \sqrt{12}.\]