Home / 266,972.43-400,239.12-124,747.36

Finding the Fourth Proportional to 266,972.43, 400,239.12 and 124,747.36

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Solution

The fourth proportional to 266,972.43, 400,239.12 and 124,747.36 is: 187,018.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,972.43 : 400,239.12 = 124,747.36 : x
  2. Step 2: Convert to fraction form
    266,972.43/400,239.12 = 124,747.36/x
  3. Step 3: Cross multiply
    266,972.43x = 400,239.12 × 124,747.36
  4. Step 4: Simplify right side
    266,972.43x = 49,928,773,588.72
  5. Step 5: Solve for x
    x = 49,928,773,588.72/266,972.43
  6. Step 6: Final answer
    x = 187,018.46

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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.