Home / 267,634.67-401,452.29-90,126.81

Finding the Fourth Proportional to 267,634.67, 401,452.29 and 90,126.81

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Solution

The fourth proportional to 267,634.67, 401,452.29 and 90,126.81 is: 135,190.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,634.67 : 401,452.29 = 90,126.81 : x
  2. Step 2: Convert to fraction form
    267,634.67/401,452.29 = 90,126.81/x
  3. Step 3: Cross multiply
    267,634.67x = 401,452.29 × 90,126.81
  4. Step 4: Simplify right side
    267,634.67x = 36,181,614,264.89
  5. Step 5: Solve for x
    x = 36,181,614,264.89/267,634.67
  6. Step 6: Final answer
    x = 135,190.31

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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.