Home / 166,638.06-229,960.62-91,186.56

Finding the Fourth Proportional to 166,638.06, 229,960.62 and 91,186.56

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Solution

The fourth proportional to 166,638.06, 229,960.62 and 91,186.56 is: 125,837.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,638.06 : 229,960.62 = 91,186.56 : x
  2. Step 2: Convert to fraction form
    166,638.06/229,960.62 = 91,186.56/x
  3. Step 3: Cross multiply
    166,638.06x = 229,960.62 × 91,186.56
  4. Step 4: Simplify right side
    166,638.06x = 20,969,317,873.27
  5. Step 5: Solve for x
    x = 20,969,317,873.27/166,638.06
  6. Step 6: Final answer
    x = 125,837.51

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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.