Home / 218,304.20-327,555.66-105,923.72

Finding the Fourth Proportional to 218,304.20, 327,555.66 and 105,923.72

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Solution

The fourth proportional to 218,304.20, 327,555.66 and 105,923.72 is: 158,933.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,304.20 : 327,555.66 = 105,923.72 : x
  2. Step 2: Convert to fraction form
    218,304.20/327,555.66 = 105,923.72/x
  3. Step 3: Cross multiply
    218,304.20x = 327,555.66 × 105,923.72
  4. Step 4: Simplify right side
    218,304.20x = 34,695,914,014.26
  5. Step 5: Solve for x
    x = 34,695,914,014.26/218,304.20
  6. Step 6: Final answer
    x = 158,933.79

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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.