Home / 207,932.12-311,842.83-58,163.12

Finding the Fourth Proportional to 207,932.12, 311,842.83 and 58,163.12

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Solution

The fourth proportional to 207,932.12, 311,842.83 and 58,163.12 is: 87,229.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,932.12 : 311,842.83 = 58,163.12 : x
  2. Step 2: Convert to fraction form
    207,932.12/311,842.83 = 58,163.12/x
  3. Step 3: Cross multiply
    207,932.12x = 311,842.83 × 58,163.12
  4. Step 4: Simplify right side
    207,932.12x = 18,137,751,942.43
  5. Step 5: Solve for x
    x = 18,137,751,942.43/207,932.12
  6. Step 6: Final answer
    x = 87,229.20

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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.