Home / 281,930.68-422,850.96-82,204.36

Finding the Fourth Proportional to 281,930.68, 422,850.96 and 82,204.36

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Solution

The fourth proportional to 281,930.68, 422,850.96 and 82,204.36 is: 123,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,930.68 : 422,850.96 = 82,204.36 : x
  2. Step 2: Convert to fraction form
    281,930.68/422,850.96 = 82,204.36/x
  3. Step 3: Cross multiply
    281,930.68x = 422,850.96 × 82,204.36
  4. Step 4: Simplify right side
    281,930.68x = 34,760,192,542.19
  5. Step 5: Solve for x
    x = 34,760,192,542.19/281,930.68
  6. Step 6: Final answer
    x = 123,293.40

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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.