Home / 197,650.69-296,531.46-79,405.07

Finding the Fourth Proportional to 197,650.69, 296,531.46 and 79,405.07

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Solution

The fourth proportional to 197,650.69, 296,531.46 and 79,405.07 is: 119,129.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,650.69 : 296,531.46 = 79,405.07 : x
  2. Step 2: Convert to fraction form
    197,650.69/296,531.46 = 79,405.07/x
  3. Step 3: Cross multiply
    197,650.69x = 296,531.46 × 79,405.07
  4. Step 4: Simplify right side
    197,650.69x = 23,546,099,855.84
  5. Step 5: Solve for x
    x = 23,546,099,855.84/197,650.69
  6. Step 6: Final answer
    x = 119,129.87

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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.