Home / 231,785.22-319,903.65-131,183.22

Finding the Fourth Proportional to 231,785.22, 319,903.65 and 131,183.22

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Solution

The fourth proportional to 231,785.22, 319,903.65 and 131,183.22 is: 181,055.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,785.22 : 319,903.65 = 131,183.22 : x
  2. Step 2: Convert to fraction form
    231,785.22/319,903.65 = 131,183.22/x
  3. Step 3: Cross multiply
    231,785.22x = 319,903.65 × 131,183.22
  4. Step 4: Simplify right side
    231,785.22x = 41,965,990,896.75
  5. Step 5: Solve for x
    x = 41,965,990,896.75/231,785.22
  6. Step 6: Final answer
    x = 181,055.51

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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.