Home / 196,579.44-271,278.21-111,696.50

Finding the Fourth Proportional to 196,579.44, 271,278.21 and 111,696.50

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Solution

The fourth proportional to 196,579.44, 271,278.21 and 111,696.50 is: 154,140.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,579.44 : 271,278.21 = 111,696.50 : x
  2. Step 2: Convert to fraction form
    196,579.44/271,278.21 = 111,696.50/x
  3. Step 3: Cross multiply
    196,579.44x = 271,278.21 × 111,696.50
  4. Step 4: Simplify right side
    196,579.44x = 30,300,826,583.27
  5. Step 5: Solve for x
    x = 30,300,826,583.27/196,579.44
  6. Step 6: Final answer
    x = 154,140.36

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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.