Home / 179,291.26-268,734.59-79,438.31

Finding the Fourth Proportional to 179,291.26, 268,734.59 and 79,438.31

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Solution

The fourth proportional to 179,291.26, 268,734.59 and 79,438.31 is: 119,067.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,291.26 : 268,734.59 = 79,438.31 : x
  2. Step 2: Convert to fraction form
    179,291.26/268,734.59 = 79,438.31/x
  3. Step 3: Cross multiply
    179,291.26x = 268,734.59 × 79,438.31
  4. Step 4: Simplify right side
    179,291.26x = 21,347,821,668.14
  5. Step 5: Solve for x
    x = 21,347,821,668.14/179,291.26
  6. Step 6: Final answer
    x = 119,067.83

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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.