Home / 204,490.20-306,735.30-54,753.60

Finding the Fourth Proportional to 204,490.20, 306,735.30 and 54,753.60

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Solution

The fourth proportional to 204,490.20, 306,735.30 and 54,753.60 is: 82,130.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,490.20 : 306,735.30 = 54,753.60 : x
  2. Step 2: Convert to fraction form
    204,490.20/306,735.30 = 54,753.60/x
  3. Step 3: Cross multiply
    204,490.20x = 306,735.30 × 54,753.60
  4. Step 4: Simplify right side
    204,490.20x = 16,794,861,922.08
  5. Step 5: Solve for x
    x = 16,794,861,922.08/204,490.20
  6. Step 6: Final answer
    x = 82,130.40

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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.