Home / 275,229.23-412,453.22-115,132.62

Finding the Fourth Proportional to 275,229.23, 412,453.22 and 115,132.62

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Solution

The fourth proportional to 275,229.23, 412,453.22 and 115,132.62 is: 172,535.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,229.23 : 412,453.22 = 115,132.62 : x
  2. Step 2: Convert to fraction form
    275,229.23/412,453.22 = 115,132.62/x
  3. Step 3: Cross multiply
    275,229.23x = 412,453.22 × 115,132.62
  4. Step 4: Simplify right side
    275,229.23x = 47,486,819,270.37
  5. Step 5: Solve for x
    x = 47,486,819,270.37/275,229.23
  6. Step 6: Final answer
    x = 172,535.53

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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.