Home / 238,883.67-329,651.19-131,443.65

Finding the Fourth Proportional to 238,883.67, 329,651.19 and 131,443.65

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Solution

The fourth proportional to 238,883.67, 329,651.19 and 131,443.65 is: 181,387.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,883.67 : 329,651.19 = 131,443.65 : x
  2. Step 2: Convert to fraction form
    238,883.67/329,651.19 = 131,443.65/x
  3. Step 3: Cross multiply
    238,883.67x = 329,651.19 × 131,443.65
  4. Step 4: Simplify right side
    238,883.67x = 43,330,555,640.44
  5. Step 5: Solve for x
    x = 43,330,555,640.44/238,883.67
  6. Step 6: Final answer
    x = 181,387.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.