Home / 119,906.91-165,469.50-66,190.55

Finding the Fourth Proportional to 119,906.91, 165,469.50 and 66,190.55

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Solution

The fourth proportional to 119,906.91, 165,469.50 and 66,190.55 is: 91,341.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,906.91 : 165,469.50 = 66,190.55 : x
  2. Step 2: Convert to fraction form
    119,906.91/165,469.50 = 66,190.55/x
  3. Step 3: Cross multiply
    119,906.91x = 165,469.50 × 66,190.55
  4. Step 4: Simplify right side
    119,906.91x = 10,952,516,385.88
  5. Step 5: Solve for x
    x = 10,952,516,385.88/119,906.91
  6. Step 6: Final answer
    x = 91,341.83

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1.5x scale

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.