Home / 156,633.82-234,948.69-38,306.18

Finding the Fourth Proportional to 156,633.82, 234,948.69 and 38,306.18

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Solution

The fourth proportional to 156,633.82, 234,948.69 and 38,306.18 is: 57,458.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,633.82 : 234,948.69 = 38,306.18 : x
  2. Step 2: Convert to fraction form
    156,633.82/234,948.69 = 38,306.18/x
  3. Step 3: Cross multiply
    156,633.82x = 234,948.69 × 38,306.18
  4. Step 4: Simplify right side
    156,633.82x = 8,999,987,397.28
  5. Step 5: Solve for x
    x = 8,999,987,397.28/156,633.82
  6. Step 6: Final answer
    x = 57,458.78

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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.