Home / 345,177.20-517,788.28-108,529.04

Finding the Fourth Proportional to 345,177.20, 517,788.28 and 108,529.04

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Solution

The fourth proportional to 345,177.20, 517,788.28 and 108,529.04 is: 162,800.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,177.20 : 517,788.28 = 108,529.04 : x
  2. Step 2: Convert to fraction form
    345,177.20/517,788.28 = 108,529.04/x
  3. Step 3: Cross multiply
    345,177.20x = 517,788.28 × 108,529.04
  4. Step 4: Simplify right side
    345,177.20x = 56,195,064,951.65
  5. Step 5: Solve for x
    x = 56,195,064,951.65/345,177.20
  6. Step 6: Final answer
    x = 162,800.63

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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.