Home / 266,618.14-399,844.08-89,083.75

Finding the Fourth Proportional to 266,618.14, 399,844.08 and 89,083.75

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Solution

The fourth proportional to 266,618.14, 399,844.08 and 89,083.75 is: 133,597.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,618.14 : 399,844.08 = 89,083.75 : x
  2. Step 2: Convert to fraction form
    266,618.14/399,844.08 = 89,083.75/x
  3. Step 3: Cross multiply
    266,618.14x = 399,844.08 × 89,083.75
  4. Step 4: Simplify right side
    266,618.14x = 35,619,610,061.70
  5. Step 5: Solve for x
    x = 35,619,610,061.70/266,618.14
  6. Step 6: Final answer
    x = 133,597.85

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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.