Home / 196,535.56-271,220.10-111,657.48

Finding the Fourth Proportional to 196,535.56, 271,220.10 and 111,657.48

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Solution

The fourth proportional to 196,535.56, 271,220.10 and 111,657.48 is: 154,087.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,535.56 : 271,220.10 = 111,657.48 : x
  2. Step 2: Convert to fraction form
    196,535.56/271,220.10 = 111,657.48/x
  3. Step 3: Cross multiply
    196,535.56x = 271,220.10 × 111,657.48
  4. Step 4: Simplify right side
    196,535.56x = 30,283,752,891.35
  5. Step 5: Solve for x
    x = 30,283,752,891.35/196,535.56
  6. Step 6: Final answer
    x = 154,087.91

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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.