Home / 133,600.41-200,338.29-77,456.61

Finding the Fourth Proportional to 133,600.41, 200,338.29 and 77,456.61

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Solution

The fourth proportional to 133,600.41, 200,338.29 and 77,456.61 is: 116,148.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,600.41 : 200,338.29 = 77,456.61 : x
  2. Step 2: Convert to fraction form
    133,600.41/200,338.29 = 77,456.61/x
  3. Step 3: Cross multiply
    133,600.41x = 200,338.29 × 77,456.61
  4. Step 4: Simplify right side
    133,600.41x = 15,517,524,796.60
  5. Step 5: Solve for x
    x = 15,517,524,796.60/133,600.41
  6. Step 6: Final answer
    x = 116,148.78

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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.