Home / 267,784.44-401,424.09-90,167.25

Finding the Fourth Proportional to 267,784.44, 401,424.09 and 90,167.25

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Solution

The fourth proportional to 267,784.44, 401,424.09 and 90,167.25 is: 135,165.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,784.44 : 401,424.09 = 90,167.25 : x
  2. Step 2: Convert to fraction form
    267,784.44/401,424.09 = 90,167.25/x
  3. Step 3: Cross multiply
    267,784.44x = 401,424.09 × 90,167.25
  4. Step 4: Simplify right side
    267,784.44x = 36,195,306,279.05
  5. Step 5: Solve for x
    x = 36,195,306,279.05/267,784.44
  6. Step 6: Final answer
    x = 135,165.83

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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.