Home / 132,704.47-199,120.44-82,771.75

Finding the Fourth Proportional to 132,704.47, 199,120.44 and 82,771.75

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Solution

The fourth proportional to 132,704.47, 199,120.44 and 82,771.75 is: 124,197.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,704.47 : 199,120.44 = 82,771.75 : x
  2. Step 2: Convert to fraction form
    132,704.47/199,120.44 = 82,771.75/x
  3. Step 3: Cross multiply
    132,704.47x = 199,120.44 × 82,771.75
  4. Step 4: Simplify right side
    132,704.47x = 16,481,547,279.57
  5. Step 5: Solve for x
    x = 16,481,547,279.57/132,704.47
  6. Step 6: Final answer
    x = 124,197.38

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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.