Home / 197,910.30-296,865.45-190,911.90

Finding the Fourth Proportional to 197,910.30, 296,865.45 and 190,911.90

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Solution

The fourth proportional to 197,910.30, 296,865.45 and 190,911.90 is: 286,367.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,910.30 : 296,865.45 = 190,911.90 : x
  2. Step 2: Convert to fraction form
    197,910.30/296,865.45 = 190,911.90/x
  3. Step 3: Cross multiply
    197,910.30x = 296,865.45 × 190,911.90
  4. Step 4: Simplify right side
    197,910.30x = 56,675,147,103.86
  5. Step 5: Solve for x
    x = 56,675,147,103.86/197,910.30
  6. Step 6: Final answer
    x = 286,367.85

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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.