Home / 281,789.13-422,578.53-113,252.43

Finding the Fourth Proportional to 281,789.13, 422,578.53 and 113,252.43

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Solution

The fourth proportional to 281,789.13, 422,578.53 and 113,252.43 is: 169,836.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,789.13 : 422,578.53 = 113,252.43 : x
  2. Step 2: Convert to fraction form
    281,789.13/422,578.53 = 113,252.43/x
  3. Step 3: Cross multiply
    281,789.13x = 422,578.53 × 113,252.43
  4. Step 4: Simplify right side
    281,789.13x = 47,858,045,388.33
  5. Step 5: Solve for x
    x = 47,858,045,388.33/281,789.13
  6. Step 6: Final answer
    x = 169,836.38

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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.