Home / 266,974.43-400,242.13-124,749.36

Finding the Fourth Proportional to 266,974.43, 400,242.13 and 124,749.36

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Solution

The fourth proportional to 266,974.43, 400,242.13 and 124,749.36 is: 187,021.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,974.43 : 400,242.13 = 124,749.36 : x
  2. Step 2: Convert to fraction form
    266,974.43/400,242.13 = 124,749.36/x
  3. Step 3: Cross multiply
    266,974.43x = 400,242.13 × 124,749.36
  4. Step 4: Simplify right side
    266,974.43x = 49,929,949,250.66
  5. Step 5: Solve for x
    x = 49,929,949,250.66/266,974.43
  6. Step 6: Final answer
    x = 187,021.47

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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.