Home / 281,933.29-422,892.90-82,255.43

Finding the Fourth Proportional to 281,933.29, 422,892.90 and 82,255.43

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Solution

The fourth proportional to 281,933.29, 422,892.90 and 82,255.43 is: 123,381.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,933.29 : 422,892.90 = 82,255.43 : x
  2. Step 2: Convert to fraction form
    281,933.29/422,892.90 = 82,255.43/x
  3. Step 3: Cross multiply
    281,933.29x = 422,892.90 × 82,255.43
  4. Step 4: Simplify right side
    281,933.29x = 34,785,237,333.45
  5. Step 5: Solve for x
    x = 34,785,237,333.45/281,933.29
  6. Step 6: Final answer
    x = 123,381.09

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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.