Home / 269,720.28-404,565.84-82,731.78

Finding the Fourth Proportional to 269,720.28, 404,565.84 and 82,731.78

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Solution

The fourth proportional to 269,720.28, 404,565.84 and 82,731.78 is: 124,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,720.28 : 404,565.84 = 82,731.78 : x
  2. Step 2: Convert to fraction form
    269,720.28/404,565.84 = 82,731.78/x
  3. Step 3: Cross multiply
    269,720.28x = 404,565.84 × 82,731.78
  4. Step 4: Simplify right side
    269,720.28x = 33,470,452,070.40
  5. Step 5: Solve for x
    x = 33,470,452,070.40/269,720.28
  6. Step 6: Final answer
    x = 124,093.20

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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.