Home / 118,964.30-178,287.89-62,791.20

Finding the Fourth Proportional to 118,964.30, 178,287.89 and 62,791.20

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Solution

The fourth proportional to 118,964.30, 178,287.89 and 62,791.20 is: 94,103.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,964.30 : 178,287.89 = 62,791.20 : x
  2. Step 2: Convert to fraction form
    118,964.30/178,287.89 = 62,791.20/x
  3. Step 3: Cross multiply
    118,964.30x = 178,287.89 × 62,791.20
  4. Step 4: Simplify right side
    118,964.30x = 11,194,910,244.61
  5. Step 5: Solve for x
    x = 11,194,910,244.61/118,964.30
  6. Step 6: Final answer
    x = 94,103.11

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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.