Home / 141,456.13-195,205.57-77,793.92

Finding the Fourth Proportional to 141,456.13, 195,205.57 and 77,793.92

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Solution

The fourth proportional to 141,456.13, 195,205.57 and 77,793.92 is: 107,353.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,456.13 : 195,205.57 = 77,793.92 : x
  2. Step 2: Convert to fraction form
    141,456.13/195,205.57 = 77,793.92/x
  3. Step 3: Cross multiply
    141,456.13x = 195,205.57 × 77,793.92
  4. Step 4: Simplify right side
    141,456.13x = 15,185,806,789.66
  5. Step 5: Solve for x
    x = 15,185,806,789.66/141,456.13
  6. Step 6: Final answer
    x = 107,353.47

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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.