Home / 238,022.90-356,785.23-80,196.82

Finding the Fourth Proportional to 238,022.90, 356,785.23 and 80,196.82

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Solution

The fourth proportional to 238,022.90, 356,785.23 and 80,196.82 is: 120,211.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,022.90 : 356,785.23 = 80,196.82 : x
  2. Step 2: Convert to fraction form
    238,022.90/356,785.23 = 80,196.82/x
  3. Step 3: Cross multiply
    238,022.90x = 356,785.23 × 80,196.82
  4. Step 4: Simplify right side
    238,022.90x = 28,613,040,868.97
  5. Step 5: Solve for x
    x = 28,613,040,868.97/238,022.90
  6. Step 6: Final answer
    x = 120,211.29

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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.