Home / 118,934.38-178,321.98-62,715.11

Finding the Fourth Proportional to 118,934.38, 178,321.98 and 62,715.11

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Solution

The fourth proportional to 118,934.38, 178,321.98 and 62,715.11 is: 94,030.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,934.38 : 178,321.98 = 62,715.11 : x
  2. Step 2: Convert to fraction form
    118,934.38/178,321.98 = 62,715.11/x
  3. Step 3: Cross multiply
    118,934.38x = 178,321.98 × 62,715.11
  4. Step 4: Simplify right side
    118,934.38x = 11,183,482,761.36
  5. Step 5: Solve for x
    x = 11,183,482,761.36/118,934.38
  6. Step 6: Final answer
    x = 94,030.70

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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.