Home / 171,270.72-236,351.52-107,645.76

Finding the Fourth Proportional to 171,270.72, 236,351.52 and 107,645.76

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Solution

The fourth proportional to 171,270.72, 236,351.52 and 107,645.76 is: 148,549.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,270.72 : 236,351.52 = 107,645.76 : x
  2. Step 2: Convert to fraction form
    171,270.72/236,351.52 = 107,645.76/x
  3. Step 3: Cross multiply
    171,270.72x = 236,351.52 × 107,645.76
  4. Step 4: Simplify right side
    171,270.72x = 25,442,238,997.56
  5. Step 5: Solve for x
    x = 25,442,238,997.56/171,270.72
  6. Step 6: Final answer
    x = 148,549.85

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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.