Home / 204,560.20-306,621.60-92,221.30

Finding the Fourth Proportional to 204,560.20, 306,621.60 and 92,221.30

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Solution

The fourth proportional to 204,560.20, 306,621.60 and 92,221.30 is: 138,233.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,560.20 : 306,621.60 = 92,221.30 : x
  2. Step 2: Convert to fraction form
    204,560.20/306,621.60 = 92,221.30/x
  3. Step 3: Cross multiply
    204,560.20x = 306,621.60 × 92,221.30
  4. Step 4: Simplify right side
    204,560.20x = 28,277,042,560.08
  5. Step 5: Solve for x
    x = 28,277,042,560.08/204,560.20
  6. Step 6: Final answer
    x = 138,233.35

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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.