Home / 445,158.14-667,731.24-108,197.82

Finding the Fourth Proportional to 445,158.14, 667,731.24 and 108,197.82

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Solution

The fourth proportional to 445,158.14, 667,731.24 and 108,197.82 is: 162,295.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,158.14 : 667,731.24 = 108,197.82 : x
  2. Step 2: Convert to fraction form
    445,158.14/667,731.24 = 108,197.82/x
  3. Step 3: Cross multiply
    445,158.14x = 667,731.24 × 108,197.82
  4. Step 4: Simplify right side
    445,158.14x = 72,247,064,513.90
  5. Step 5: Solve for x
    x = 72,247,064,513.90/445,158.14
  6. Step 6: Final answer
    x = 162,295.28

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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.