Home / 179,218.08-268,871.40-74,067.12

Finding the Fourth Proportional to 179,218.08, 268,871.40 and 74,067.12

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Solution

The fourth proportional to 179,218.08, 268,871.40 and 74,067.12 is: 111,118.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,218.08 : 268,871.40 = 74,067.12 : x
  2. Step 2: Convert to fraction form
    179,218.08/268,871.40 = 74,067.12/x
  3. Step 3: Cross multiply
    179,218.08x = 268,871.40 × 74,067.12
  4. Step 4: Simplify right side
    179,218.08x = 19,914,530,248.37
  5. Step 5: Solve for x
    x = 19,914,530,248.37/179,218.08
  6. Step 6: Final answer
    x = 111,118.98

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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.