Home / 266,724.50-400,141.49-89,233.11

Finding the Fourth Proportional to 266,724.50, 400,141.49 and 89,233.11

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Solution

The fourth proportional to 266,724.50, 400,141.49 and 89,233.11 is: 133,867.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,724.50 : 400,141.49 = 89,233.11 : x
  2. Step 2: Convert to fraction form
    266,724.50/400,141.49 = 89,233.11/x
  3. Step 3: Cross multiply
    266,724.50x = 400,141.49 × 89,233.11
  4. Step 4: Simplify right side
    266,724.50x = 35,705,869,146.57
  5. Step 5: Solve for x
    x = 35,705,869,146.57/266,724.50
  6. Step 6: Final answer
    x = 133,867.98

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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.