Home / 218,335.23-327,399.03-76,163.22

Finding the Fourth Proportional to 218,335.23, 327,399.03 and 76,163.22

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Solution

The fourth proportional to 218,335.23, 327,399.03 and 76,163.22 is: 114,208.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,335.23 : 327,399.03 = 76,163.22 : x
  2. Step 2: Convert to fraction form
    218,335.23/327,399.03 = 76,163.22/x
  3. Step 3: Cross multiply
    218,335.23x = 327,399.03 × 76,163.22
  4. Step 4: Simplify right side
    218,335.23x = 24,935,764,349.68
  5. Step 5: Solve for x
    x = 24,935,764,349.68/218,335.23
  6. Step 6: Final answer
    x = 114,208.62

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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.