Finding the Fourth Proportional to 161,859.09, 223,306.97 and 93,838.62
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Solution
The fourth proportional to 161,859.09, 223,306.97 and 93,838.62 is: 129,463.34
Step by Step Solution
- Step 1: Write the proportion equation
161,859.09 : 223,306.97 = 93,838.62 : x - Step 2: Convert to fraction form
161,859.09/223,306.97 = 93,838.62/x - Step 3: Cross multiply
161,859.09x = 223,306.97 × 93,838.62 - Step 4: Simplify right side
161,859.09x = 20,954,817,901.18 - Step 5: Solve for x
x = 20,954,817,901.18/161,859.09 - Step 6: Final answer
x = 129,463.34
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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.