Home / 267,081.20-400,649.88-109,284.56

Finding the Fourth Proportional to 267,081.20, 400,649.88 and 109,284.56

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Solution

The fourth proportional to 267,081.20, 400,649.88 and 109,284.56 is: 163,938.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,081.20 : 400,649.88 = 109,284.56 : x
  2. Step 2: Convert to fraction form
    267,081.20/400,649.88 = 109,284.56/x
  3. Step 3: Cross multiply
    267,081.20x = 400,649.88 × 109,284.56
  4. Step 4: Simplify right side
    267,081.20x = 43,784,845,849.85
  5. Step 5: Solve for x
    x = 43,784,845,849.85/267,081.20
  6. Step 6: Final answer
    x = 163,938.33

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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.