Home / 197,712.09-296,611.88-108,919.89

Finding the Fourth Proportional to 197,712.09, 296,611.88 and 108,919.89

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Solution

The fourth proportional to 197,712.09, 296,611.88 and 108,919.89 is: 163,403.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,712.09 : 296,611.88 = 108,919.89 : x
  2. Step 2: Convert to fraction form
    197,712.09/296,611.88 = 108,919.89/x
  3. Step 3: Cross multiply
    197,712.09x = 296,611.88 × 108,919.89
  4. Step 4: Simplify right side
    197,712.09x = 32,306,932,797.69
  5. Step 5: Solve for x
    x = 32,306,932,797.69/197,712.09
  6. Step 6: Final answer
    x = 163,403.93

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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.