Finding the Fourth Proportional to 207,035.13, 285,718.62 and 116,419.62
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Solution
The fourth proportional to 207,035.13, 285,718.62 and 116,419.62 is: 160,664.78
Step by Step Solution
- Step 1: Write the proportion equation
207,035.13 : 285,718.62 = 116,419.62 : x - Step 2: Convert to fraction form
207,035.13/285,718.62 = 116,419.62/x - Step 3: Cross multiply
207,035.13x = 285,718.62 × 116,419.62 - Step 4: Simplify right side
207,035.13x = 33,263,252,585.23 - Step 5: Solve for x
x = 33,263,252,585.23/207,035.13 - Step 6: Final answer
x = 160,664.78
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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.