Home / 139,600.26-192,648.44-79,151.58

Finding the Fourth Proportional to 139,600.26, 192,648.44 and 79,151.58

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Solution

The fourth proportional to 139,600.26, 192,648.44 and 79,151.58 is: 109,229.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,600.26 : 192,648.44 = 79,151.58 : x
  2. Step 2: Convert to fraction form
    139,600.26/192,648.44 = 79,151.58/x
  3. Step 3: Cross multiply
    139,600.26x = 192,648.44 × 79,151.58
  4. Step 4: Simplify right side
    139,600.26x = 15,248,428,410.54
  5. Step 5: Solve for x
    x = 15,248,428,410.54/139,600.26
  6. Step 6: Final answer
    x = 109,229.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.