Finding the Fourth Proportional to 204,337.11, 281,991.87 and 127,831.76
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Solution
The fourth proportional to 204,337.11, 281,991.87 and 127,831.76 is: 176,411.99
Step by Step Solution
- Step 1: Write the proportion equation
204,337.11 : 281,991.87 = 127,831.76 : x - Step 2: Convert to fraction form
204,337.11/281,991.87 = 127,831.76/x - Step 3: Cross multiply
204,337.11x = 281,991.87 × 127,831.76 - Step 4: Simplify right side
204,337.11x = 36,047,515,637.83 - Step 5: Solve for x
x = 36,047,515,637.83/204,337.11 - Step 6: Final answer
x = 176,411.99
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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.