Home / 327,103.25-490,648.66-178,290.59

Finding the Fourth Proportional to 327,103.25, 490,648.66 and 178,290.59

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Solution

The fourth proportional to 327,103.25, 490,648.66 and 178,290.59 is: 267,432.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,103.25 : 490,648.66 = 178,290.59 : x
  2. Step 2: Convert to fraction form
    327,103.25/490,648.66 = 178,290.59/x
  3. Step 3: Cross multiply
    327,103.25x = 490,648.66 × 178,290.59
  4. Step 4: Simplify right side
    327,103.25x = 87,478,036,175.14
  5. Step 5: Solve for x
    x = 87,478,036,175.14/327,103.25
  6. Step 6: Final answer
    x = 267,432.49

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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.