Home / 219,882.60-329,399.46-131,207.04

Finding the Fourth Proportional to 219,882.60, 329,399.46 and 131,207.04

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Solution

The fourth proportional to 219,882.60, 329,399.46 and 131,207.04 is: 196,557.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,882.60 : 329,399.46 = 131,207.04 : x
  2. Step 2: Convert to fraction form
    219,882.60/329,399.46 = 131,207.04/x
  3. Step 3: Cross multiply
    219,882.60x = 329,399.46 × 131,207.04
  4. Step 4: Simplify right side
    219,882.60x = 43,219,528,124.20
  5. Step 5: Solve for x
    x = 43,219,528,124.20/219,882.60
  6. Step 6: Final answer
    x = 196,557.29

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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.