Home / 132,697.47-199,109.94-82,764.75

Finding the Fourth Proportional to 132,697.47, 199,109.94 and 82,764.75

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Solution

The fourth proportional to 132,697.47, 199,109.94 and 82,764.75 is: 124,186.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,697.47 : 199,109.94 = 82,764.75 : x
  2. Step 2: Convert to fraction form
    132,697.47/199,109.94 = 82,764.75/x
  3. Step 3: Cross multiply
    132,697.47x = 199,109.94 × 82,764.75
  4. Step 4: Simplify right side
    132,697.47x = 16,479,284,406.62
  5. Step 5: Solve for x
    x = 16,479,284,406.62/132,697.47
  6. Step 6: Final answer
    x = 124,186.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.