Home / 166,760.59-230,127.33-91,309.09

Finding the Fourth Proportional to 166,760.59, 230,127.33 and 91,309.09

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Solution

The fourth proportional to 166,760.59, 230,127.33 and 91,309.09 is: 126,005.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,760.59 : 230,127.33 = 91,309.09 : x
  2. Step 2: Convert to fraction form
    166,760.59/230,127.33 = 91,309.09/x
  3. Step 3: Cross multiply
    166,760.59x = 230,127.33 × 91,309.09
  4. Step 4: Simplify right side
    166,760.59x = 21,012,717,086.43
  5. Step 5: Solve for x
    x = 21,012,717,086.43/166,760.59
  6. Step 6: Final answer
    x = 126,005.29

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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.