Home / 141,456.26-195,205.17-77,793.86

Finding the Fourth Proportional to 141,456.26, 195,205.17 and 77,793.86

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Solution

The fourth proportional to 141,456.26, 195,205.17 and 77,793.86 is: 107,353.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,456.26 : 195,205.17 = 77,793.86 : x
  2. Step 2: Convert to fraction form
    141,456.26/195,205.17 = 77,793.86/x
  3. Step 3: Cross multiply
    141,456.26x = 195,205.17 × 77,793.86
  4. Step 4: Simplify right side
    141,456.26x = 15,185,763,666.26
  5. Step 5: Solve for x
    x = 15,185,763,666.26/141,456.26
  6. Step 6: Final answer
    x = 107,353.07

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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.