Home / 150,466.20-207,665.46-86,791.56

Finding the Fourth Proportional to 150,466.20, 207,665.46 and 86,791.56

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Solution

The fourth proportional to 150,466.20, 207,665.46 and 86,791.56 is: 119,785.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,466.20 : 207,665.46 = 86,791.56 : x
  2. Step 2: Convert to fraction form
    150,466.20/207,665.46 = 86,791.56/x
  3. Step 3: Cross multiply
    150,466.20x = 207,665.46 × 86,791.56
  4. Step 4: Simplify right side
    150,466.20x = 18,023,609,231.52
  5. Step 5: Solve for x
    x = 18,023,609,231.52/150,466.20
  6. Step 6: Final answer
    x = 119,785.10

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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.