Home / 197,923.50-273,151.71-108,516.78

Finding the Fourth Proportional to 197,923.50, 273,151.71 and 108,516.78

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Solution

The fourth proportional to 197,923.50, 273,151.71 and 108,516.78 is: 149,762.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,923.50 : 273,151.71 = 108,516.78 : x
  2. Step 2: Convert to fraction form
    197,923.50/273,151.71 = 108,516.78/x
  3. Step 3: Cross multiply
    197,923.50x = 273,151.71 × 108,516.78
  4. Step 4: Simplify right side
    197,923.50x = 29,641,544,020.69
  5. Step 5: Solve for x
    x = 29,641,544,020.69/197,923.50
  6. Step 6: Final answer
    x = 149,762.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.