Home / 179,218.58-268,796.88-66,886.97

Finding the Fourth Proportional to 179,218.58, 268,796.88 and 66,886.97

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Solution

The fourth proportional to 179,218.58, 268,796.88 and 66,886.97 is: 100,318.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,218.58 : 268,796.88 = 66,886.97 : x
  2. Step 2: Convert to fraction form
    179,218.58/268,796.88 = 66,886.97/x
  3. Step 3: Cross multiply
    179,218.58x = 268,796.88 × 66,886.97
  4. Step 4: Simplify right side
    179,218.58x = 17,979,007,504.67
  5. Step 5: Solve for x
    x = 17,979,007,504.67/179,218.58
  6. Step 6: Final answer
    x = 100,318.88

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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.