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Finding the Fourth Proportional to 197,791.89, 273,001.64 and 112,958.16

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Solution

The fourth proportional to 197,791.89, 273,001.64 and 112,958.16 is: 155,910.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,791.89 : 273,001.64 = 112,958.16 : x
  2. Step 2: Convert to fraction form
    197,791.89/273,001.64 = 112,958.16/x
  3. Step 3: Cross multiply
    197,791.89x = 273,001.64 × 112,958.16
  4. Step 4: Simplify right side
    197,791.89x = 30,837,762,366.59
  5. Step 5: Solve for x
    x = 30,837,762,366.59/197,791.89
  6. Step 6: Final answer
    x = 155,910.15

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1.5x scale

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.