Home / 197,842.70-273,036.30-111,771.80

Finding the Fourth Proportional to 197,842.70, 273,036.30 and 111,771.80

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Solution

The fourth proportional to 197,842.70, 273,036.30 and 111,771.80 is: 154,252.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,842.70 : 273,036.30 = 111,771.80 : x
  2. Step 2: Convert to fraction form
    197,842.70/273,036.30 = 111,771.80/x
  3. Step 3: Cross multiply
    197,842.70x = 273,036.30 × 111,771.80
  4. Step 4: Simplify right side
    197,842.70x = 30,517,758,716.34
  5. Step 5: Solve for x
    x = 30,517,758,716.34/197,842.70
  6. Step 6: Final answer
    x = 154,252.64

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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.