Home / 132,396.10-198,464.55-53,404.90

Finding the Fourth Proportional to 132,396.10, 198,464.55 and 53,404.90

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Solution

The fourth proportional to 132,396.10, 198,464.55 and 53,404.90 is: 80,055.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,396.10 : 198,464.55 = 53,404.90 : x
  2. Step 2: Convert to fraction form
    132,396.10/198,464.55 = 53,404.90/x
  3. Step 3: Cross multiply
    132,396.10x = 198,464.55 × 53,404.90
  4. Step 4: Simplify right side
    132,396.10x = 10,598,979,446.30
  5. Step 5: Solve for x
    x = 10,598,979,446.30/132,396.10
  6. Step 6: Final answer
    x = 80,055.07

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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.