Home / 119,115.10-178,562.98-51,604.71

Finding the Fourth Proportional to 119,115.10, 178,562.98 and 51,604.71

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Solution

The fourth proportional to 119,115.10, 178,562.98 and 51,604.71 is: 77,359.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,115.10 : 178,562.98 = 51,604.71 : x
  2. Step 2: Convert to fraction form
    119,115.10/178,562.98 = 51,604.71/x
  3. Step 3: Cross multiply
    119,115.10x = 178,562.98 × 51,604.71
  4. Step 4: Simplify right side
    119,115.10x = 9,214,690,194.53
  5. Step 5: Solve for x
    x = 9,214,690,194.53/119,115.10
  6. Step 6: Final answer
    x = 77,359.55

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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.