Home / 132,298.56-198,449.64-38,806.20

Finding the Fourth Proportional to 132,298.56, 198,449.64 and 38,806.20

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Solution

The fourth proportional to 132,298.56, 198,449.64 and 38,806.20 is: 58,209.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,298.56 : 198,449.64 = 38,806.20 : x
  2. Step 2: Convert to fraction form
    132,298.56/198,449.64 = 38,806.20/x
  3. Step 3: Cross multiply
    132,298.56x = 198,449.64 × 38,806.20
  4. Step 4: Simplify right side
    132,298.56x = 7,701,076,419.77
  5. Step 5: Solve for x
    x = 7,701,076,419.77/132,298.56
  6. Step 6: Final answer
    x = 58,209.83

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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.