Home / 197,091.35-271,986.32-112,208.41

Finding the Fourth Proportional to 197,091.35, 271,986.32 and 112,208.41

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Solution

The fourth proportional to 197,091.35, 271,986.32 and 112,208.41 is: 154,847.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,091.35 : 271,986.32 = 112,208.41 : x
  2. Step 2: Convert to fraction form
    197,091.35/271,986.32 = 112,208.41/x
  3. Step 3: Cross multiply
    197,091.35x = 271,986.32 × 112,208.41
  4. Step 4: Simplify right side
    197,091.35x = 30,519,152,508.95
  5. Step 5: Solve for x
    x = 30,519,152,508.95/197,091.35
  6. Step 6: Final answer
    x = 154,847.75

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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.