Home / 197,505.78-296,134.11-108,821.56

Finding the Fourth Proportional to 197,505.78, 296,134.11 and 108,821.56

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Solution

The fourth proportional to 197,505.78, 296,134.11 and 108,821.56 is: 163,163.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,505.78 : 296,134.11 = 108,821.56 : x
  2. Step 2: Convert to fraction form
    197,505.78/296,134.11 = 108,821.56/x
  3. Step 3: Cross multiply
    197,505.78x = 296,134.11 × 108,821.56
  4. Step 4: Simplify right side
    197,505.78x = 32,225,774,905.14
  5. Step 5: Solve for x
    x = 32,225,774,905.14/197,505.78
  6. Step 6: Final answer
    x = 163,163.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.