Home / 445,033.12-667,347-192,193.24

Finding the Fourth Proportional to 445,033.12, 667,347 and 192,193.24

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Solution

The fourth proportional to 445,033.12, 667,347 and 192,193.24 is: 288,202.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,033.12 : 667,347 = 192,193.24 : x
  2. Step 2: Convert to fraction form
    445,033.12/667,347 = 192,193.24/x
  3. Step 3: Cross multiply
    445,033.12x = 667,347 × 192,193.24
  4. Step 4: Simplify right side
    445,033.12x = 128,259,582,134.28
  5. Step 5: Solve for x
    x = 128,259,582,134.28/445,033.12
  6. Step 6: Final answer
    x = 288,202.33

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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.