Home / 156,306.36-234,458.76-37,978.04

Finding the Fourth Proportional to 156,306.36, 234,458.76 and 37,978.04

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Solution

The fourth proportional to 156,306.36, 234,458.76 and 37,978.04 is: 56,966.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,306.36 : 234,458.76 = 37,978.04 : x
  2. Step 2: Convert to fraction form
    156,306.36/234,458.76 = 37,978.04/x
  3. Step 3: Cross multiply
    156,306.36x = 234,458.76 × 37,978.04
  4. Step 4: Simplify right side
    156,306.36x = 8,904,284,165.63
  5. Step 5: Solve for x
    x = 8,904,284,165.63/156,306.36
  6. Step 6: Final answer
    x = 56,966.87

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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.