Home / 267,517.77-368,851.69-231,153.49

Finding the Fourth Proportional to 267,517.77, 368,851.69 and 231,153.49

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Solution

The fourth proportional to 267,517.77, 368,851.69 and 231,153.49 is: 318,712.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,517.77 : 368,851.69 = 231,153.49 : x
  2. Step 2: Convert to fraction form
    267,517.77/368,851.69 = 231,153.49/x
  3. Step 3: Cross multiply
    267,517.77x = 368,851.69 × 231,153.49
  4. Step 4: Simplify right side
    267,517.77x = 85,261,355,435.90
  5. Step 5: Solve for x
    x = 85,261,355,435.90/267,517.77
  6. Step 6: Final answer
    x = 318,712.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.