Home / 141,517.52-195,291-77,853.92

Finding the Fourth Proportional to 141,517.52, 195,291 and 77,853.92

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Solution

The fourth proportional to 141,517.52, 195,291 and 77,853.92 is: 107,436.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,517.52 : 195,291 = 77,853.92 : x
  2. Step 2: Convert to fraction form
    141,517.52/195,291 = 77,853.92/x
  3. Step 3: Cross multiply
    141,517.52x = 195,291 × 77,853.92
  4. Step 4: Simplify right side
    141,517.52x = 15,204,169,890.72
  5. Step 5: Solve for x
    x = 15,204,169,890.72/141,517.52
  6. Step 6: Final answer
    x = 107,436.66

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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.