Home / 215,793.73-297,789.60-125,144.02

Finding the Fourth Proportional to 215,793.73, 297,789.60 and 125,144.02

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Solution

The fourth proportional to 215,793.73, 297,789.60 and 125,144.02 is: 172,695.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,793.73 : 297,789.60 = 125,144.02 : x
  2. Step 2: Convert to fraction form
    215,793.73/297,789.60 = 125,144.02/x
  3. Step 3: Cross multiply
    215,793.73x = 297,789.60 × 125,144.02
  4. Step 4: Simplify right side
    215,793.73x = 37,266,587,658.19
  5. Step 5: Solve for x
    x = 37,266,587,658.19/215,793.73
  6. Step 6: Final answer
    x = 172,695.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.