Home / 207,634.16-311,352.60-107,694.20

Finding the Fourth Proportional to 207,634.16, 311,352.60 and 107,694.20

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Solution

The fourth proportional to 207,634.16, 311,352.60 and 107,694.20 is: 161,490.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,634.16 : 311,352.60 = 107,694.20 : x
  2. Step 2: Convert to fraction form
    207,634.16/311,352.60 = 107,694.20/x
  3. Step 3: Cross multiply
    207,634.16x = 311,352.60 × 107,694.20
  4. Step 4: Simplify right side
    207,634.16x = 33,530,869,174.92
  5. Step 5: Solve for x
    x = 33,530,869,174.92/207,634.16
  6. Step 6: Final answer
    x = 161,490.14

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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.