Home / 131,824.92-181,926.36-80,843.52

Finding the Fourth Proportional to 131,824.92, 181,926.36 and 80,843.52

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Solution

The fourth proportional to 131,824.92, 181,926.36 and 80,843.52 is: 111,568.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,824.92 : 181,926.36 = 80,843.52 : x
  2. Step 2: Convert to fraction form
    131,824.92/181,926.36 = 80,843.52/x
  3. Step 3: Cross multiply
    131,824.92x = 181,926.36 × 80,843.52
  4. Step 4: Simplify right side
    131,824.92x = 14,707,567,323.19
  5. Step 5: Solve for x
    x = 14,707,567,323.19/131,824.92
  6. Step 6: Final answer
    x = 111,568.95

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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.