Home / 269,986.20-404,979.06-82,997.40

Finding the Fourth Proportional to 269,986.20, 404,979.06 and 82,997.40

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Solution

The fourth proportional to 269,986.20, 404,979.06 and 82,997.40 is: 124,496.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,986.20 : 404,979.06 = 82,997.40 : x
  2. Step 2: Convert to fraction form
    269,986.20/404,979.06 = 82,997.40/x
  3. Step 3: Cross multiply
    269,986.20x = 404,979.06 × 82,997.40
  4. Step 4: Simplify right side
    269,986.20x = 33,612,209,034.44
  5. Step 5: Solve for x
    x = 33,612,209,034.44/269,986.20
  6. Step 6: Final answer
    x = 124,496.03

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1.5x scale

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.