Home / 170,934.18-256,323.30-71,034.86

Finding the Fourth Proportional to 170,934.18, 256,323.30 and 71,034.86

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Solution

The fourth proportional to 170,934.18, 256,323.30 and 71,034.86 is: 106,519.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,934.18 : 256,323.30 = 71,034.86 : x
  2. Step 2: Convert to fraction form
    170,934.18/256,323.30 = 71,034.86/x
  3. Step 3: Cross multiply
    170,934.18x = 256,323.30 × 71,034.86
  4. Step 4: Simplify right side
    170,934.18x = 18,207,888,448.62
  5. Step 5: Solve for x
    x = 18,207,888,448.62/170,934.18
  6. Step 6: Final answer
    x = 106,519.88

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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.