Home / 198,704.52-297,405.20-108,609.24

Finding the Fourth Proportional to 198,704.52, 297,405.20 and 108,609.24

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Solution

The fourth proportional to 198,704.52, 297,405.20 and 108,609.24 is: 162,557.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,704.52 : 297,405.20 = 108,609.24 : x
  2. Step 2: Convert to fraction form
    198,704.52/297,405.20 = 108,609.24/x
  3. Step 3: Cross multiply
    198,704.52x = 297,405.20 × 108,609.24
  4. Step 4: Simplify right side
    198,704.52x = 32,300,952,744.05
  5. Step 5: Solve for x
    x = 32,300,952,744.05/198,704.52
  6. Step 6: Final answer
    x = 162,557.72

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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.