Home / 198,137.00-273,429.03-113,255.89

Finding the Fourth Proportional to 198,137.00, 273,429.03 and 113,255.89

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Solution

The fourth proportional to 198,137.00, 273,429.03 and 113,255.89 is: 156,293.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,137.00 : 273,429.03 = 113,255.89 : x
  2. Step 2: Convert to fraction form
    198,137.00/273,429.03 = 113,255.89/x
  3. Step 3: Cross multiply
    198,137.00x = 273,429.03 × 113,255.89
  4. Step 4: Simplify right side
    198,137.00x = 30,967,447,885.62
  5. Step 5: Solve for x
    x = 30,967,447,885.62/198,137.00
  6. Step 6: Final answer
    x = 156,293.11

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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.