Home / 267,785.44-401,425.59-90,168.25

Finding the Fourth Proportional to 267,785.44, 401,425.59 and 90,168.25

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Solution

The fourth proportional to 267,785.44, 401,425.59 and 90,168.25 is: 135,167.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,785.44 : 401,425.59 = 90,168.25 : x
  2. Step 2: Convert to fraction form
    267,785.44/401,425.59 = 90,168.25/x
  3. Step 3: Cross multiply
    267,785.44x = 401,425.59 × 90,168.25
  4. Step 4: Simplify right side
    267,785.44x = 36,195,842,955.52
  5. Step 5: Solve for x
    x = 36,195,842,955.52/267,785.44
  6. Step 6: Final answer
    x = 135,167.33

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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.