Home / 132,122.96-182,481.08-87,002.64

Finding the Fourth Proportional to 132,122.96, 182,481.08 and 87,002.64

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Solution

The fourth proportional to 132,122.96, 182,481.08 and 87,002.64 is: 120,163.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,122.96 : 182,481.08 = 87,002.64 : x
  2. Step 2: Convert to fraction form
    132,122.96/182,481.08 = 87,002.64/x
  3. Step 3: Cross multiply
    132,122.96x = 182,481.08 × 87,002.64
  4. Step 4: Simplify right side
    132,122.96x = 15,876,335,710.05
  5. Step 5: Solve for x
    x = 15,876,335,710.05/132,122.96
  6. Step 6: Final answer
    x = 120,163.34

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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.