Home / 150,350.96-207,481.56-86,691.44

Finding the Fourth Proportional to 150,350.96, 207,481.56 and 86,691.44

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Solution

The fourth proportional to 150,350.96, 207,481.56 and 86,691.44 is: 119,632.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,350.96 : 207,481.56 = 86,691.44 : x
  2. Step 2: Convert to fraction form
    150,350.96/207,481.56 = 86,691.44/x
  3. Step 3: Cross multiply
    150,350.96x = 207,481.56 × 86,691.44
  4. Step 4: Simplify right side
    150,350.96x = 17,986,875,209.85
  5. Step 5: Solve for x
    x = 17,986,875,209.85/150,350.96
  6. Step 6: Final answer
    x = 119,632.59

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1.5x scale

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.