Home / 132,481.56-182,770.62-75,108.78

Finding the Fourth Proportional to 132,481.56, 182,770.62 and 75,108.78

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Solution

The fourth proportional to 132,481.56, 182,770.62 and 75,108.78 is: 103,619.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,481.56 : 182,770.62 = 75,108.78 : x
  2. Step 2: Convert to fraction form
    132,481.56/182,770.62 = 75,108.78/x
  3. Step 3: Cross multiply
    132,481.56x = 182,770.62 × 75,108.78
  4. Step 4: Simplify right side
    132,481.56x = 13,727,678,288.04
  5. Step 5: Solve for x
    x = 13,727,678,288.04/132,481.56
  6. Step 6: Final answer
    x = 103,619.54

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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.