Home / 150,635.28-207,869.67-82,650.72

Finding the Fourth Proportional to 150,635.28, 207,869.67 and 82,650.72

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Solution

The fourth proportional to 150,635.28, 207,869.67 and 82,650.72 is: 114,054.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,635.28 : 207,869.67 = 82,650.72 : x
  2. Step 2: Convert to fraction form
    150,635.28/207,869.67 = 82,650.72/x
  3. Step 3: Cross multiply
    150,635.28x = 207,869.67 × 82,650.72
  4. Step 4: Simplify right side
    150,635.28x = 17,180,577,891.66
  5. Step 5: Solve for x
    x = 17,180,577,891.66/150,635.28
  6. Step 6: Final answer
    x = 114,054.14

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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.