Home / 133,601.41-200,339.79-77,457.61

Finding the Fourth Proportional to 133,601.41, 200,339.79 and 77,457.61

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Solution

The fourth proportional to 133,601.41, 200,339.79 and 77,457.61 is: 116,150.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,601.41 : 200,339.79 = 77,457.61 : x
  2. Step 2: Convert to fraction form
    133,601.41/200,339.79 = 77,457.61/x
  3. Step 3: Cross multiply
    133,601.41x = 200,339.79 × 77,457.61
  4. Step 4: Simplify right side
    133,601.41x = 15,517,841,321.30
  5. Step 5: Solve for x
    x = 15,517,841,321.30/133,601.41
  6. Step 6: Final answer
    x = 116,150.28

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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.