Home / 269,517.20-404,275.80-185,536.40

Finding the Fourth Proportional to 269,517.20, 404,275.80 and 185,536.40

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Solution

The fourth proportional to 269,517.20, 404,275.80 and 185,536.40 is: 278,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,517.20 : 404,275.80 = 185,536.40 : x
  2. Step 2: Convert to fraction form
    269,517.20/404,275.80 = 185,536.40/x
  3. Step 3: Cross multiply
    269,517.20x = 404,275.80 × 185,536.40
  4. Step 4: Simplify right side
    269,517.20x = 75,007,876,539.12
  5. Step 5: Solve for x
    x = 75,007,876,539.12/269,517.20
  6. Step 6: Final answer
    x = 278,304.60

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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.