Home / 266,560.27-399,861.06-89,067.90

Finding the Fourth Proportional to 266,560.27, 399,861.06 and 89,067.90

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Solution

The fourth proportional to 266,560.27, 399,861.06 and 89,067.90 is: 133,608.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,560.27 : 399,861.06 = 89,067.90 : x
  2. Step 2: Convert to fraction form
    266,560.27/399,861.06 = 89,067.90/x
  3. Step 3: Cross multiply
    266,560.27x = 399,861.06 × 89,067.90
  4. Step 4: Simplify right side
    266,560.27x = 35,614,786,071.45
  5. Step 5: Solve for x
    x = 35,614,786,071.45/266,560.27
  6. Step 6: Final answer
    x = 133,608.76

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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.