Home / 218,426.45-327,639.80-60,654.92

Finding the Fourth Proportional to 218,426.45, 327,639.80 and 60,654.92

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Solution

The fourth proportional to 218,426.45, 327,639.80 and 60,654.92 is: 90,982.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,426.45 : 327,639.80 = 60,654.92 : x
  2. Step 2: Convert to fraction form
    218,426.45/327,639.80 = 60,654.92/x
  3. Step 3: Cross multiply
    218,426.45x = 327,639.80 × 60,654.92
  4. Step 4: Simplify right side
    218,426.45x = 19,872,964,371.25
  5. Step 5: Solve for x
    x = 19,872,964,371.25/218,426.45
  6. Step 6: Final answer
    x = 90,982.41

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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.