Home / 266,936.22-400,215.33-133,721.46

Finding the Fourth Proportional to 266,936.22, 400,215.33 and 133,721.46

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Solution

The fourth proportional to 266,936.22, 400,215.33 and 133,721.46 is: 200,487.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,936.22 : 400,215.33 = 133,721.46 : x
  2. Step 2: Convert to fraction form
    266,936.22/400,215.33 = 133,721.46/x
  3. Step 3: Cross multiply
    266,936.22x = 400,215.33 × 133,721.46
  4. Step 4: Simplify right side
    266,936.22x = 53,517,378,241.98
  5. Step 5: Solve for x
    x = 53,517,378,241.98/266,936.22
  6. Step 6: Final answer
    x = 200,487.51

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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.