Home / 196,976.56-271,824.08-112,091.76

Finding the Fourth Proportional to 196,976.56, 271,824.08 and 112,091.76

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Solution

The fourth proportional to 196,976.56, 271,824.08 and 112,091.76 is: 154,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,976.56 : 271,824.08 = 112,091.76 : x
  2. Step 2: Convert to fraction form
    196,976.56/271,824.08 = 112,091.76/x
  3. Step 3: Cross multiply
    196,976.56x = 271,824.08 × 112,091.76
  4. Step 4: Simplify right side
    196,976.56x = 30,469,239,537.58
  5. Step 5: Solve for x
    x = 30,469,239,537.58/196,976.56
  6. Step 6: Final answer
    x = 154,684.60

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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.