Home / 197,972.68-273,198.95-111,930.25

Finding the Fourth Proportional to 197,972.68, 273,198.95 and 111,930.25

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Solution

The fourth proportional to 197,972.68, 273,198.95 and 111,930.25 is: 154,461.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,972.68 : 273,198.95 = 111,930.25 : x
  2. Step 2: Convert to fraction form
    197,972.68/273,198.95 = 111,930.25/x
  3. Step 3: Cross multiply
    197,972.68x = 273,198.95 × 111,930.25
  4. Step 4: Simplify right side
    197,972.68x = 30,579,226,213.59
  5. Step 5: Solve for x
    x = 30,579,226,213.59/197,972.68
  6. Step 6: Final answer
    x = 154,461.85

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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.