Home / 338,902.20-508,022.76-161,361.52

Finding the Fourth Proportional to 338,902.20, 508,022.76 and 161,361.52

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Solution

The fourth proportional to 338,902.20, 508,022.76 and 161,361.52 is: 241,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,902.20 : 508,022.76 = 161,361.52 : x
  2. Step 2: Convert to fraction form
    338,902.20/508,022.76 = 161,361.52/x
  3. Step 3: Cross multiply
    338,902.20x = 508,022.76 × 161,361.52
  4. Step 4: Simplify right side
    338,902.20x = 81,975,324,748.20
  5. Step 5: Solve for x
    x = 81,975,324,748.20/338,902.20
  6. Step 6: Final answer
    x = 241,884.90

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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.