Home / 197,910.21-296,940.04-119,079.80

Finding the Fourth Proportional to 197,910.21, 296,940.04 and 119,079.80

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Solution

The fourth proportional to 197,910.21, 296,940.04 and 119,079.80 is: 178,664.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,910.21 : 296,940.04 = 119,079.80 : x
  2. Step 2: Convert to fraction form
    197,910.21/296,940.04 = 119,079.80/x
  3. Step 3: Cross multiply
    197,910.21x = 296,940.04 × 119,079.80
  4. Step 4: Simplify right side
    197,910.21x = 35,359,558,792.79
  5. Step 5: Solve for x
    x = 35,359,558,792.79/197,910.21
  6. Step 6: Final answer
    x = 178,664.65

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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.