Finding the Fourth Proportional to 168,275.34, 232,224.36 and 91,795.74
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Solution
The fourth proportional to 168,275.34, 232,224.36 and 91,795.74 is: 126,680.52
Step by Step Solution
- Step 1: Write the proportion equation
168,275.34 : 232,224.36 = 91,795.74 : x - Step 2: Convert to fraction form
168,275.34/232,224.36 = 91,795.74/x - Step 3: Cross multiply
168,275.34x = 232,224.36 × 91,795.74 - Step 4: Simplify right side
168,275.34x = 21,317,206,972.23 - Step 5: Solve for x
x = 21,317,206,972.23/168,275.34 - Step 6: Final answer
x = 126,680.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.