Home / 204,478.20-306,793.44-92,124.72

Finding the Fourth Proportional to 204,478.20, 306,793.44 and 92,124.72

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Solution

The fourth proportional to 204,478.20, 306,793.44 and 92,124.72 is: 138,221.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,478.20 : 306,793.44 = 92,124.72 : x
  2. Step 2: Convert to fraction form
    204,478.20/306,793.44 = 92,124.72/x
  3. Step 3: Cross multiply
    204,478.20x = 306,793.44 × 92,124.72
  4. Step 4: Simplify right side
    204,478.20x = 28,263,259,757.84
  5. Step 5: Solve for x
    x = 28,263,259,757.84/204,478.20
  6. Step 6: Final answer
    x = 138,221.38

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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.