Home / 166,713.12-230,072.40-91,264.80

Finding the Fourth Proportional to 166,713.12, 230,072.40 and 91,264.80

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Solution

The fourth proportional to 166,713.12, 230,072.40 and 91,264.80 is: 125,949.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,713.12 : 230,072.40 = 91,264.80 : x
  2. Step 2: Convert to fraction form
    166,713.12/230,072.40 = 91,264.80/x
  3. Step 3: Cross multiply
    166,713.12x = 230,072.40 × 91,264.80
  4. Step 4: Simplify right side
    166,713.12x = 20,997,511,571.52
  5. Step 5: Solve for x
    x = 20,997,511,571.52/166,713.12
  6. Step 6: Final answer
    x = 125,949.96

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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.