Home / 170,387.18-255,618.36-52,067.75

Finding the Fourth Proportional to 170,387.18, 255,618.36 and 52,067.75

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Solution

The fourth proportional to 170,387.18, 255,618.36 and 52,067.75 is: 78,113.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,387.18 : 255,618.36 = 52,067.75 : x
  2. Step 2: Convert to fraction form
    170,387.18/255,618.36 = 52,067.75/x
  3. Step 3: Cross multiply
    170,387.18x = 255,618.36 × 52,067.75
  4. Step 4: Simplify right side
    170,387.18x = 13,309,471,585.80
  5. Step 5: Solve for x
    x = 13,309,471,585.80/170,387.18
  6. Step 6: Final answer
    x = 78,113.11

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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.