Home / 204,621.20-307,048.92-111,135.12

Finding the Fourth Proportional to 204,621.20, 307,048.92 and 111,135.12

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Solution

The fourth proportional to 204,621.20, 307,048.92 and 111,135.12 is: 166,766.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,621.20 : 307,048.92 = 111,135.12 : x
  2. Step 2: Convert to fraction form
    204,621.20/307,048.92 = 111,135.12/x
  3. Step 3: Cross multiply
    204,621.20x = 307,048.92 × 111,135.12
  4. Step 4: Simplify right side
    204,621.20x = 34,123,918,570.07
  5. Step 5: Solve for x
    x = 34,123,918,570.07/204,621.20
  6. Step 6: Final answer
    x = 166,766.29

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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.