Home / 204,209.60-306,328.97-54,449.10

Finding the Fourth Proportional to 204,209.60, 306,328.97 and 54,449.10

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Solution

The fourth proportional to 204,209.60, 306,328.97 and 54,449.10 is: 81,677.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,209.60 : 306,328.97 = 54,449.10 : x
  2. Step 2: Convert to fraction form
    204,209.60/306,328.97 = 54,449.10/x
  3. Step 3: Cross multiply
    204,209.60x = 306,328.97 × 54,449.10
  4. Step 4: Simplify right side
    204,209.60x = 16,679,336,856.55
  5. Step 5: Solve for x
    x = 16,679,336,856.55/204,209.60
  6. Step 6: Final answer
    x = 81,677.54

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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.