Home / 266,531.56-399,661.50-88,974.76

Finding the Fourth Proportional to 266,531.56, 399,661.50 and 88,974.76

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Solution

The fourth proportional to 266,531.56, 399,661.50 and 88,974.76 is: 133,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,531.56 : 399,661.50 = 88,974.76 : x
  2. Step 2: Convert to fraction form
    266,531.56/399,661.50 = 88,974.76/x
  3. Step 3: Cross multiply
    266,531.56x = 399,661.50 × 88,974.76
  4. Step 4: Simplify right side
    266,531.56x = 35,559,786,043.74
  5. Step 5: Solve for x
    x = 35,559,786,043.74/266,531.56
  6. Step 6: Final answer
    x = 133,416.79

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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.