Home / 141,304.38-194,999.49-80,874.78

Finding the Fourth Proportional to 141,304.38, 194,999.49 and 80,874.78

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Solution

The fourth proportional to 141,304.38, 194,999.49 and 80,874.78 is: 111,606.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,304.38 : 194,999.49 = 80,874.78 : x
  2. Step 2: Convert to fraction form
    141,304.38/194,999.49 = 80,874.78/x
  3. Step 3: Cross multiply
    141,304.38x = 194,999.49 × 80,874.78
  4. Step 4: Simplify right side
    141,304.38x = 15,770,540,853.86
  5. Step 5: Solve for x
    x = 15,770,540,853.86/141,304.38
  6. Step 6: Final answer
    x = 111,606.88

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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.