Home / 218,399.10-327,677.49-76,265.33

Finding the Fourth Proportional to 218,399.10, 327,677.49 and 76,265.33

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Solution

The fourth proportional to 218,399.10, 327,677.49 and 76,265.33 is: 114,425.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,399.10 : 327,677.49 = 76,265.33 : x
  2. Step 2: Convert to fraction form
    218,399.10/327,677.49 = 76,265.33/x
  3. Step 3: Cross multiply
    218,399.10x = 327,677.49 × 76,265.33
  4. Step 4: Simplify right side
    218,399.10x = 24,990,430,270.03
  5. Step 5: Solve for x
    x = 24,990,430,270.03/218,399.10
  6. Step 6: Final answer
    x = 114,425.52

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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.