Home / 159,198.66-238,601.16-80,335.44

Finding the Fourth Proportional to 159,198.66, 238,601.16 and 80,335.44

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Solution

The fourth proportional to 159,198.66, 238,601.16 and 80,335.44 is: 120,403.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,198.66 : 238,601.16 = 80,335.44 : x
  2. Step 2: Convert to fraction form
    159,198.66/238,601.16 = 80,335.44/x
  3. Step 3: Cross multiply
    159,198.66x = 238,601.16 × 80,335.44
  4. Step 4: Simplify right side
    159,198.66x = 19,168,129,173.11
  5. Step 5: Solve for x
    x = 19,168,129,173.11/159,198.66
  6. Step 6: Final answer
    x = 120,403.83

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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.