Home / 269,027.80-403,540.62-82,038.76

Finding the Fourth Proportional to 269,027.80, 403,540.62 and 82,038.76

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Solution

The fourth proportional to 269,027.80, 403,540.62 and 82,038.76 is: 123,057.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,027.80 : 403,540.62 = 82,038.76 : x
  2. Step 2: Convert to fraction form
    269,027.80/403,540.62 = 82,038.76/x
  3. Step 3: Cross multiply
    269,027.80x = 403,540.62 × 82,038.76
  4. Step 4: Simplify right side
    269,027.80x = 33,105,972,074.43
  5. Step 5: Solve for x
    x = 33,105,972,074.43/269,027.80
  6. Step 6: Final answer
    x = 123,057.81

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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.