Finding the Fourth Proportional to 168,684.90, 232,780.84 and 92,204.19
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Solution
The fourth proportional to 168,684.90, 232,780.84 and 92,204.19 is: 127,239.42
Step by Step Solution
- Step 1: Write the proportion equation
168,684.90 : 232,780.84 = 92,204.19 : x - Step 2: Convert to fraction form
168,684.90/232,780.84 = 92,204.19/x - Step 3: Cross multiply
168,684.90x = 232,780.84 × 92,204.19 - Step 4: Simplify right side
168,684.90x = 21,463,368,569.21 - Step 5: Solve for x
x = 21,463,368,569.21/168,684.90 - Step 6: Final answer
x = 127,239.42
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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.