Home / 238,977.27-358,687.44-120,731.85

Finding the Fourth Proportional to 238,977.27, 358,687.44 and 120,731.85

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Solution

The fourth proportional to 238,977.27, 358,687.44 and 120,731.85 is: 181,209.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,977.27 : 358,687.44 = 120,731.85 : x
  2. Step 2: Convert to fraction form
    238,977.27/358,687.44 = 120,731.85/x
  3. Step 3: Cross multiply
    238,977.27x = 358,687.44 × 120,731.85
  4. Step 4: Simplify right side
    238,977.27x = 43,304,998,202.96
  5. Step 5: Solve for x
    x = 43,304,998,202.96/238,977.27
  6. Step 6: Final answer
    x = 181,209.69

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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.