Home / 445,040.13-667,552.91-108,083.55

Finding the Fourth Proportional to 445,040.13, 667,552.91 and 108,083.55

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Solution

The fourth proportional to 445,040.13, 667,552.91 and 108,083.55 is: 162,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,040.13 : 667,552.91 = 108,083.55 : x
  2. Step 2: Convert to fraction form
    445,040.13/667,552.91 = 108,083.55/x
  3. Step 3: Cross multiply
    445,040.13x = 667,552.91 × 108,083.55
  4. Step 4: Simplify right side
    445,040.13x = 72,151,487,785.21
  5. Step 5: Solve for x
    x = 72,151,487,785.21/445,040.13
  6. Step 6: Final answer
    x = 162,123.55

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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.