Finding the Fourth Proportional to 168,446.62, 232,350.15 and 107,954.74
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Solution
The fourth proportional to 168,446.62, 232,350.15 and 107,954.74 is: 148,909.49
Step by Step Solution
- Step 1: Write the proportion equation
168,446.62 : 232,350.15 = 107,954.74 : x - Step 2: Convert to fraction form
168,446.62/232,350.15 = 107,954.74/x - Step 3: Cross multiply
168,446.62x = 232,350.15 × 107,954.74 - Step 4: Simplify right side
168,446.62x = 25,083,300,032.21 - Step 5: Solve for x
x = 25,083,300,032.21/168,446.62 - Step 6: Final answer
x = 148,909.49
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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.