Home / 269,723.20-404,584.80-185,742.40

Finding the Fourth Proportional to 269,723.20, 404,584.80 and 185,742.40

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Solution

The fourth proportional to 269,723.20, 404,584.80 and 185,742.40 is: 278,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,723.20 : 404,584.80 = 185,742.40 : x
  2. Step 2: Convert to fraction form
    269,723.20/404,584.80 = 185,742.40/x
  3. Step 3: Cross multiply
    269,723.20x = 404,584.80 × 185,742.40
  4. Step 4: Simplify right side
    269,723.20x = 75,148,551,755.52
  5. Step 5: Solve for x
    x = 75,148,551,755.52/269,723.20
  6. Step 6: Final answer
    x = 278,613.60

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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.