Home / 237,854.12-356,531.43-80,027.78

Finding the Fourth Proportional to 237,854.12, 356,531.43 and 80,027.78

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Solution

The fourth proportional to 237,854.12, 356,531.43 and 80,027.78 is: 119,957.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,854.12 : 356,531.43 = 80,027.78 : x
  2. Step 2: Convert to fraction form
    237,854.12/356,531.43 = 80,027.78/x
  3. Step 3: Cross multiply
    237,854.12x = 356,531.43 × 80,027.78
  4. Step 4: Simplify right side
    237,854.12x = 28,532,418,843.13
  5. Step 5: Solve for x
    x = 28,532,418,843.13/237,854.12
  6. Step 6: Final answer
    x = 119,957.64

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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.