Home / 132,221.60-198,357.54-43,500.68

Finding the Fourth Proportional to 132,221.60, 198,357.54 and 43,500.68

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Solution

The fourth proportional to 132,221.60, 198,357.54 and 43,500.68 is: 65,259.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,221.60 : 198,357.54 = 43,500.68 : x
  2. Step 2: Convert to fraction form
    132,221.60/198,357.54 = 43,500.68/x
  3. Step 3: Cross multiply
    132,221.60x = 198,357.54 × 43,500.68
  4. Step 4: Simplify right side
    132,221.60x = 8,628,687,873.13
  5. Step 5: Solve for x
    x = 8,628,687,873.13/132,221.60
  6. Step 6: Final answer
    x = 65,259.29

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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.