Home / 165,793.38-248,778.09-72,306.42

Finding the Fourth Proportional to 165,793.38, 248,778.09 and 72,306.42

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Solution

The fourth proportional to 165,793.38, 248,778.09 and 72,306.42 is: 108,498.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,793.38 : 248,778.09 = 72,306.42 : x
  2. Step 2: Convert to fraction form
    165,793.38/248,778.09 = 72,306.42/x
  3. Step 3: Cross multiply
    165,793.38x = 248,778.09 × 72,306.42
  4. Step 4: Simplify right side
    165,793.38x = 17,988,253,062.34
  5. Step 5: Solve for x
    x = 17,988,253,062.34/165,793.38
  6. Step 6: Final answer
    x = 108,498.02

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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.