Home / 197,990.09-273,231.69-111,961.94

Finding the Fourth Proportional to 197,990.09, 273,231.69 and 111,961.94

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Solution

The fourth proportional to 197,990.09, 273,231.69 and 111,961.94 is: 154,510.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,990.09 : 273,231.69 = 111,961.94 : x
  2. Step 2: Convert to fraction form
    197,990.09/273,231.69 = 111,961.94/x
  3. Step 3: Cross multiply
    197,990.09x = 273,231.69 × 111,961.94
  4. Step 4: Simplify right side
    197,990.09x = 30,591,551,184.82
  5. Step 5: Solve for x
    x = 30,591,551,184.82/197,990.09
  6. Step 6: Final answer
    x = 154,510.52

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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.