Home / 166,888.54-230,311.92-91,437.04

Finding the Fourth Proportional to 166,888.54, 230,311.92 and 91,437.04

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Solution

The fourth proportional to 166,888.54, 230,311.92 and 91,437.04 is: 126,186.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,888.54 : 230,311.92 = 91,437.04 : x
  2. Step 2: Convert to fraction form
    166,888.54/230,311.92 = 91,437.04/x
  3. Step 3: Cross multiply
    166,888.54x = 230,311.92 × 91,437.04
  4. Step 4: Simplify right side
    166,888.54x = 21,059,040,241.52
  5. Step 5: Solve for x
    x = 21,059,040,241.52/166,888.54
  6. Step 6: Final answer
    x = 126,186.26

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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.