Home / 131,049.20-196,282.20-113,553.20

Finding the Fourth Proportional to 131,049.20, 196,282.20 and 113,553.20

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Solution

The fourth proportional to 131,049.20, 196,282.20 and 113,553.20 is: 170,077.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,049.20 : 196,282.20 = 113,553.20 : x
  2. Step 2: Convert to fraction form
    131,049.20/196,282.20 = 113,553.20/x
  3. Step 3: Cross multiply
    131,049.20x = 196,282.20 × 113,553.20
  4. Step 4: Simplify right side
    131,049.20x = 22,288,471,913.04
  5. Step 5: Solve for x
    x = 22,288,471,913.04/131,049.20
  6. Step 6: Final answer
    x = 170,077.13

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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.