Home / 166,921.02-230,351.04-91,469.52

Finding the Fourth Proportional to 166,921.02, 230,351.04 and 91,469.52

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Solution

The fourth proportional to 166,921.02, 230,351.04 and 91,469.52 is: 126,227.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,921.02 : 230,351.04 = 91,469.52 : x
  2. Step 2: Convert to fraction form
    166,921.02/230,351.04 = 91,469.52/x
  3. Step 3: Cross multiply
    166,921.02x = 230,351.04 × 91,469.52
  4. Step 4: Simplify right side
    166,921.02x = 21,070,099,060.30
  5. Step 5: Solve for x
    x = 21,070,099,060.30/166,921.02
  6. Step 6: Final answer
    x = 126,227.96

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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.