Home / 204,407.20-306,626.08-54,644.04

Finding the Fourth Proportional to 204,407.20, 306,626.08 and 54,644.04

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Solution

The fourth proportional to 204,407.20, 306,626.08 and 54,644.04 is: 81,970.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,407.20 : 306,626.08 = 54,644.04 : x
  2. Step 2: Convert to fraction form
    204,407.20/306,626.08 = 54,644.04/x
  3. Step 3: Cross multiply
    204,407.20x = 306,626.08 × 54,644.04
  4. Step 4: Simplify right side
    204,407.20x = 16,755,287,780.56
  5. Step 5: Solve for x
    x = 16,755,287,780.56/204,407.20
  6. Step 6: Final answer
    x = 81,970.14

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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.