Home / 267,898.20-401,288.40-125,864.70

Finding the Fourth Proportional to 267,898.20, 401,288.40 and 125,864.70

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Solution

The fourth proportional to 267,898.20, 401,288.40 and 125,864.70 is: 188,534.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,898.20 : 401,288.40 = 125,864.70 : x
  2. Step 2: Convert to fraction form
    267,898.20/401,288.40 = 125,864.70/x
  3. Step 3: Cross multiply
    267,898.20x = 401,288.40 × 125,864.70
  4. Step 4: Simplify right side
    267,898.20x = 50,508,044,079.48
  5. Step 5: Solve for x
    x = 50,508,044,079.48/267,898.20
  6. Step 6: Final answer
    x = 188,534.47

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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.