Home / 267,849.55-401,761.33-99,402.71

Finding the Fourth Proportional to 267,849.55, 401,761.33 and 99,402.71

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Solution

The fourth proportional to 267,849.55, 401,761.33 and 99,402.71 is: 149,099.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,849.55 : 401,761.33 = 99,402.71 : x
  2. Step 2: Convert to fraction form
    267,849.55/401,761.33 = 99,402.71/x
  3. Step 3: Cross multiply
    267,849.55x = 401,761.33 × 99,402.71
  4. Step 4: Simplify right side
    267,849.55x = 39,936,164,975.20
  5. Step 5: Solve for x
    x = 39,936,164,975.20/267,849.55
  6. Step 6: Final answer
    x = 149,099.24

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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.