Home / 132,481.81-182,770.97-75,109.03

Finding the Fourth Proportional to 132,481.81, 182,770.97 and 75,109.03

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Solution

The fourth proportional to 132,481.81, 182,770.97 and 75,109.03 is: 103,619.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,481.81 : 182,770.97 = 75,109.03 : x
  2. Step 2: Convert to fraction form
    132,481.81/182,770.97 = 75,109.03/x
  3. Step 3: Cross multiply
    132,481.81x = 182,770.97 × 75,109.03
  4. Step 4: Simplify right side
    132,481.81x = 13,727,749,893.31
  5. Step 5: Solve for x
    x = 13,727,749,893.31/132,481.81
  6. Step 6: Final answer
    x = 103,619.88

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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.