Home / 227,310.91-313,667.64-131,807.25

Finding the Fourth Proportional to 227,310.91, 313,667.64 and 131,807.25

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Solution

The fourth proportional to 227,310.91, 313,667.64 and 131,807.25 is: 181,881.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,310.91 : 313,667.64 = 131,807.25 : x
  2. Step 2: Convert to fraction form
    227,310.91/313,667.64 = 131,807.25/x
  3. Step 3: Cross multiply
    227,310.91x = 313,667.64 × 131,807.25
  4. Step 4: Simplify right side
    227,310.91x = 41,343,669,042.39
  5. Step 5: Solve for x
    x = 41,343,669,042.39/227,310.91
  6. Step 6: Final answer
    x = 181,881.59

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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.