Home / 197,819.92-296,373.12-121,786.14

Finding the Fourth Proportional to 197,819.92, 296,373.12 and 121,786.14

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Solution

The fourth proportional to 197,819.92, 296,373.12 and 121,786.14 is: 182,459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,819.92 : 296,373.12 = 121,786.14 : x
  2. Step 2: Convert to fraction form
    197,819.92/296,373.12 = 121,786.14/x
  3. Step 3: Cross multiply
    197,819.92x = 296,373.12 × 121,786.14
  4. Step 4: Simplify right side
    197,819.92x = 36,094,138,284.56
  5. Step 5: Solve for x
    x = 36,094,138,284.56/197,819.92
  6. Step 6: Final answer
    x = 182,459.57

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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.