Home / 269,761.20-404,690.40-112,005.60

Finding the Fourth Proportional to 269,761.20, 404,690.40 and 112,005.60

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Solution

The fourth proportional to 269,761.20, 404,690.40 and 112,005.60 is: 168,028.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,761.20 : 404,690.40 = 112,005.60 : x
  2. Step 2: Convert to fraction form
    269,761.20/404,690.40 = 112,005.60/x
  3. Step 3: Cross multiply
    269,761.20x = 404,690.40 × 112,005.60
  4. Step 4: Simplify right side
    269,761.20x = 45,327,591,066.24
  5. Step 5: Solve for x
    x = 45,327,591,066.24/269,761.20
  6. Step 6: Final answer
    x = 168,028.58

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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.