Home / 204,712.20-306,995.40-92,446.20

Finding the Fourth Proportional to 204,712.20, 306,995.40 and 92,446.20

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Solution

The fourth proportional to 204,712.20, 306,995.40 and 92,446.20 is: 138,636.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,712.20 : 306,995.40 = 92,446.20 : x
  2. Step 2: Convert to fraction form
    204,712.20/306,995.40 = 92,446.20/x
  3. Step 3: Cross multiply
    204,712.20x = 306,995.40 × 92,446.20
  4. Step 4: Simplify right side
    204,712.20x = 28,380,558,147.48
  5. Step 5: Solve for x
    x = 28,380,558,147.48/204,712.20
  6. Step 6: Final answer
    x = 138,636.38

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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.