Home / 196,769.44-271,540.55-111,886.50

Finding the Fourth Proportional to 196,769.44, 271,540.55 and 111,886.50

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Solution

The fourth proportional to 196,769.44, 271,540.55 and 111,886.50 is: 154,402.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,769.44 : 271,540.55 = 111,886.50 : x
  2. Step 2: Convert to fraction form
    196,769.44/271,540.55 = 111,886.50/x
  3. Step 3: Cross multiply
    196,769.44x = 271,540.55 × 111,886.50
  4. Step 4: Simplify right side
    196,769.44x = 30,381,721,747.58
  5. Step 5: Solve for x
    x = 30,381,721,747.58/196,769.44
  6. Step 6: Final answer
    x = 154,402.64

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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.