Home / 197,961.86-273,123.14-111,912.53

Finding the Fourth Proportional to 197,961.86, 273,123.14 and 111,912.53

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Solution

The fourth proportional to 197,961.86, 273,123.14 and 111,912.53 is: 154,402.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,961.86 : 273,123.14 = 111,912.53 : x
  2. Step 2: Convert to fraction form
    197,961.86/273,123.14 = 111,912.53/x
  3. Step 3: Cross multiply
    197,961.86x = 273,123.14 × 111,912.53
  4. Step 4: Simplify right side
    197,961.86x = 30,565,899,673.77
  5. Step 5: Solve for x
    x = 30,565,899,673.77/197,961.86
  6. Step 6: Final answer
    x = 154,402.98

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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.