Home / 130,687.20-196,052.40-117,462.96

Finding the Fourth Proportional to 130,687.20, 196,052.40 and 117,462.96

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Solution

The fourth proportional to 130,687.20, 196,052.40 and 117,462.96 is: 176,213.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,687.20 : 196,052.40 = 117,462.96 : x
  2. Step 2: Convert to fraction form
    130,687.20/196,052.40 = 117,462.96/x
  3. Step 3: Cross multiply
    130,687.20x = 196,052.40 × 117,462.96
  4. Step 4: Simplify right side
    130,687.20x = 23,028,895,219.10
  5. Step 5: Solve for x
    x = 23,028,895,219.10/130,687.20
  6. Step 6: Final answer
    x = 176,213.85

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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.