Home / 166,842.73-230,243.07-91,392.49

Finding the Fourth Proportional to 166,842.73, 230,243.07 and 91,392.49

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Solution

The fourth proportional to 166,842.73, 230,243.07 and 91,392.49 is: 126,121.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,842.73 : 230,243.07 = 91,392.49 : x
  2. Step 2: Convert to fraction form
    166,842.73/230,243.07 = 91,392.49/x
  3. Step 3: Cross multiply
    166,842.73x = 230,243.07 × 91,392.49
  4. Step 4: Simplify right side
    166,842.73x = 21,042,487,472.54
  5. Step 5: Solve for x
    x = 21,042,487,472.54/166,842.73
  6. Step 6: Final answer
    x = 126,121.69

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1.5x scale

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.