Home / 204,298.20-305,864.10-125,566.20

Finding the Fourth Proportional to 204,298.20, 305,864.10 and 125,566.20

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Solution

The fourth proportional to 204,298.20, 305,864.10 and 125,566.20 is: 187,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,298.20 : 305,864.10 = 125,566.20 : x
  2. Step 2: Convert to fraction form
    204,298.20/305,864.10 = 125,566.20/x
  3. Step 3: Cross multiply
    204,298.20x = 305,864.10 × 125,566.20
  4. Step 4: Simplify right side
    204,298.20x = 38,406,192,753.42
  5. Step 5: Solve for x
    x = 38,406,192,753.42/204,298.20
  6. Step 6: Final answer
    x = 187,990.85

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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.