Home / 130,049.20-194,782.20-112,553.20

Finding the Fourth Proportional to 130,049.20, 194,782.20 and 112,553.20

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Solution

The fourth proportional to 130,049.20, 194,782.20 and 112,553.20 is: 168,577.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,049.20 : 194,782.20 = 112,553.20 : x
  2. Step 2: Convert to fraction form
    130,049.20/194,782.20 = 112,553.20/x
  3. Step 3: Cross multiply
    130,049.20x = 194,782.20 × 112,553.20
  4. Step 4: Simplify right side
    130,049.20x = 21,923,359,913.04
  5. Step 5: Solve for x
    x = 21,923,359,913.04/130,049.20
  6. Step 6: Final answer
    x = 168,577.43

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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.