Home / 132,444.20-198,666.30-131,522.60

Finding the Fourth Proportional to 132,444.20, 198,666.30 and 131,522.60

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Solution

The fourth proportional to 132,444.20, 198,666.30 and 131,522.60 is: 197,283.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,444.20 : 198,666.30 = 131,522.60 : x
  2. Step 2: Convert to fraction form
    132,444.20/198,666.30 = 131,522.60/x
  3. Step 3: Cross multiply
    132,444.20x = 198,666.30 × 131,522.60
  4. Step 4: Simplify right side
    132,444.20x = 26,129,108,308.38
  5. Step 5: Solve for x
    x = 26,129,108,308.38/132,444.20
  6. Step 6: Final answer
    x = 197,283.90

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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.