Home / 166,760.12-230,131.50-91,315.64

Finding the Fourth Proportional to 166,760.12, 230,131.50 and 91,315.64

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Solution

The fourth proportional to 166,760.12, 230,131.50 and 91,315.64 is: 126,016.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,760.12 : 230,131.50 = 91,315.64 : x
  2. Step 2: Convert to fraction form
    166,760.12/230,131.50 = 91,315.64/x
  3. Step 3: Cross multiply
    166,760.12x = 230,131.50 × 91,315.64
  4. Step 4: Simplify right side
    166,760.12x = 21,014,605,206.66
  5. Step 5: Solve for x
    x = 21,014,605,206.66/166,760.12
  6. Step 6: Final answer
    x = 126,016.97

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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.