Home / 218,171.20-327,255.60-60,398.56

Finding the Fourth Proportional to 218,171.20, 327,255.60 and 60,398.56

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Solution

The fourth proportional to 218,171.20, 327,255.60 and 60,398.56 is: 90,597.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,171.20 : 327,255.60 = 60,398.56 : x
  2. Step 2: Convert to fraction form
    218,171.20/327,255.60 = 60,398.56/x
  3. Step 3: Cross multiply
    218,171.20x = 327,255.60 × 60,398.56
  4. Step 4: Simplify right side
    218,171.20x = 19,765,766,991.94
  5. Step 5: Solve for x
    x = 19,765,766,991.94/218,171.20
  6. Step 6: Final answer
    x = 90,597.51

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1.5x scale

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.