Home / 141,469.92-195,221.25-77,795.46

Finding the Fourth Proportional to 141,469.92, 195,221.25 and 77,795.46

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Solution

The fourth proportional to 141,469.92, 195,221.25 and 77,795.46 is: 107,353.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,469.92 : 195,221.25 = 77,795.46 : x
  2. Step 2: Convert to fraction form
    141,469.92/195,221.25 = 77,795.46/x
  3. Step 3: Cross multiply
    141,469.92x = 195,221.25 × 77,795.46
  4. Step 4: Simplify right side
    141,469.92x = 15,187,326,945.53
  5. Step 5: Solve for x
    x = 15,187,326,945.53/141,469.92
  6. Step 6: Final answer
    x = 107,353.75

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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.