Home / 197,091.47-271,986.50-112,208.54

Finding the Fourth Proportional to 197,091.47, 271,986.50 and 112,208.54

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Solution

The fourth proportional to 197,091.47, 271,986.50 and 112,208.54 is: 154,847.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,091.47 : 271,986.50 = 112,208.54 : x
  2. Step 2: Convert to fraction form
    197,091.47/271,986.50 = 112,208.54/x
  3. Step 3: Cross multiply
    197,091.47x = 271,986.50 × 112,208.54
  4. Step 4: Simplify right side
    197,091.47x = 30,519,206,143.73
  5. Step 5: Solve for x
    x = 30,519,206,143.73/197,091.47
  6. Step 6: Final answer
    x = 154,847.93

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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.