Home / 197,905.84-273,123.24-111,834.96

Finding the Fourth Proportional to 197,905.84, 273,123.24 and 111,834.96

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Solution

The fourth proportional to 197,905.84, 273,123.24 and 111,834.96 is: 154,339.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,905.84 : 273,123.24 = 111,834.96 : x
  2. Step 2: Convert to fraction form
    197,905.84/273,123.24 = 111,834.96/x
  3. Step 3: Cross multiply
    197,905.84x = 273,123.24 × 111,834.96
  4. Step 4: Simplify right side
    197,905.84x = 30,544,726,620.47
  5. Step 5: Solve for x
    x = 30,544,726,620.47/197,905.84
  6. Step 6: Final answer
    x = 154,339.69

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1.5x scale

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.