Home / 641,373.26-961,789.19-192,157.97

Finding the Fourth Proportional to 641,373.26, 961,789.19 and 192,157.97

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Solution

The fourth proportional to 641,373.26, 961,789.19 and 192,157.97 is: 288,155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,373.26 : 961,789.19 = 192,157.97 : x
  2. Step 2: Convert to fraction form
    641,373.26/961,789.19 = 192,157.97/x
  3. Step 3: Cross multiply
    641,373.26x = 961,789.19 × 192,157.97
  4. Step 4: Simplify right side
    641,373.26x = 184,815,452,548.61
  5. Step 5: Solve for x
    x = 184,815,452,548.61/641,373.26
  6. Step 6: Final answer
    x = 288,155.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.