Finding the Fourth Proportional to 168,634.24, 232,713.60 and 93,181.12
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Solution
The fourth proportional to 168,634.24, 232,713.60 and 93,181.12 is: 128,589.03
Step by Step Solution
- Step 1: Write the proportion equation
168,634.24 : 232,713.60 = 93,181.12 : x - Step 2: Convert to fraction form
168,634.24/232,713.60 = 93,181.12/x - Step 3: Cross multiply
168,634.24x = 232,713.60 × 93,181.12 - Step 4: Simplify right side
168,634.24x = 21,684,513,887.23 - Step 5: Solve for x
x = 21,684,513,887.23/168,634.24 - Step 6: Final answer
x = 128,589.03
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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.