Home / 166,723.88-230,078.96-91,272.38

Finding the Fourth Proportional to 166,723.88, 230,078.96 and 91,272.38

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Solution

The fourth proportional to 166,723.88, 230,078.96 and 91,272.38 is: 125,955.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,723.88 : 230,078.96 = 91,272.38 : x
  2. Step 2: Convert to fraction form
    166,723.88/230,078.96 = 91,272.38/x
  3. Step 3: Cross multiply
    166,723.88x = 230,078.96 × 91,272.38
  4. Step 4: Simplify right side
    166,723.88x = 20,999,853,002.64
  5. Step 5: Solve for x
    x = 20,999,853,002.64/166,723.88
  6. Step 6: Final answer
    x = 125,955.88

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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.