Home / 150,629.28-207,861.39-82,644.72

Finding the Fourth Proportional to 150,629.28, 207,861.39 and 82,644.72

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Solution

The fourth proportional to 150,629.28, 207,861.39 and 82,644.72 is: 114,045.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,629.28 : 207,861.39 = 82,644.72 : x
  2. Step 2: Convert to fraction form
    150,629.28/207,861.39 = 82,644.72/x
  3. Step 3: Cross multiply
    150,629.28x = 207,861.39 × 82,644.72
  4. Step 4: Simplify right side
    150,629.28x = 17,178,646,375.36
  5. Step 5: Solve for x
    x = 17,178,646,375.36/150,629.28
  6. Step 6: Final answer
    x = 114,045.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.