Home / 218,221.20-327,331.80-60,449.58

Finding the Fourth Proportional to 218,221.20, 327,331.80 and 60,449.58

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Solution

The fourth proportional to 218,221.20, 327,331.80 and 60,449.58 is: 90,674.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,221.20 : 327,331.80 = 60,449.58 : x
  2. Step 2: Convert to fraction form
    218,221.20/327,331.80 = 60,449.58/x
  3. Step 3: Cross multiply
    218,221.20x = 327,331.80 × 60,449.58
  4. Step 4: Simplify right side
    218,221.20x = 19,787,069,830.64
  5. Step 5: Solve for x
    x = 19,787,069,830.64/218,221.20
  6. Step 6: Final answer
    x = 90,674.37

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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.