Home / 130,787.85-195,902.87-63,217.79

Finding the Fourth Proportional to 130,787.85, 195,902.87 and 63,217.79

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Solution

The fourth proportional to 130,787.85, 195,902.87 and 63,217.79 is: 94,691.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,787.85 : 195,902.87 = 63,217.79 : x
  2. Step 2: Convert to fraction form
    130,787.85/195,902.87 = 63,217.79/x
  3. Step 3: Cross multiply
    130,787.85x = 195,902.87 × 63,217.79
  4. Step 4: Simplify right side
    130,787.85x = 12,384,545,200.45
  5. Step 5: Solve for x
    x = 12,384,545,200.45/130,787.85
  6. Step 6: Final answer
    x = 94,691.86

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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.