Home / 150,239.20-207,330.16-82,260.50

Finding the Fourth Proportional to 150,239.20, 207,330.16 and 82,260.50

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Solution

The fourth proportional to 150,239.20, 207,330.16 and 82,260.50 is: 113,519.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,239.20 : 207,330.16 = 82,260.50 : x
  2. Step 2: Convert to fraction form
    150,239.20/207,330.16 = 82,260.50/x
  3. Step 3: Cross multiply
    150,239.20x = 207,330.16 × 82,260.50
  4. Step 4: Simplify right side
    150,239.20x = 17,055,082,626.68
  5. Step 5: Solve for x
    x = 17,055,082,626.68/150,239.20
  6. Step 6: Final answer
    x = 113,519.53

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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.