Home / 207,459.24-311,046.66-74,336.55

Finding the Fourth Proportional to 207,459.24, 311,046.66 and 74,336.55

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Solution

The fourth proportional to 207,459.24, 311,046.66 and 74,336.55 is: 111,453.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,459.24 : 311,046.66 = 74,336.55 : x
  2. Step 2: Convert to fraction form
    207,459.24/311,046.66 = 74,336.55/x
  3. Step 3: Cross multiply
    207,459.24x = 311,046.66 × 74,336.55
  4. Step 4: Simplify right side
    207,459.24x = 23,122,135,593.42
  5. Step 5: Solve for x
    x = 23,122,135,593.42/207,459.24
  6. Step 6: Final answer
    x = 111,453.87

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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.