Home / 207,824.76-311,242.29-132,712.25

Finding the Fourth Proportional to 207,824.76, 311,242.29 and 132,712.25

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Solution

The fourth proportional to 207,824.76, 311,242.29 and 132,712.25 is: 198,752.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,824.76 : 311,242.29 = 132,712.25 : x
  2. Step 2: Convert to fraction form
    207,824.76/311,242.29 = 132,712.25/x
  3. Step 3: Cross multiply
    207,824.76x = 311,242.29 × 132,712.25
  4. Step 4: Simplify right side
    207,824.76x = 41,305,663,480.30
  5. Step 5: Solve for x
    x = 41,305,663,480.30/207,824.76
  6. Step 6: Final answer
    x = 198,752.37

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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.