Home / 181,186.92-271,739.07-68,879.61

Finding the Fourth Proportional to 181,186.92, 271,739.07 and 68,879.61

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Solution

The fourth proportional to 181,186.92, 271,739.07 and 68,879.61 is: 103,303.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,186.92 : 271,739.07 = 68,879.61 : x
  2. Step 2: Convert to fraction form
    181,186.92/271,739.07 = 68,879.61/x
  3. Step 3: Cross multiply
    181,186.92x = 271,739.07 × 68,879.61
  4. Step 4: Simplify right side
    181,186.92x = 18,717,281,163.36
  5. Step 5: Solve for x
    x = 18,717,281,163.36/181,186.92
  6. Step 6: Final answer
    x = 103,303.71

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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.