Home / 196,763.43-271,532.28-111,880.50

Finding the Fourth Proportional to 196,763.43, 271,532.28 and 111,880.50

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Solution

The fourth proportional to 196,763.43, 271,532.28 and 111,880.50 is: 154,394.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,763.43 : 271,532.28 = 111,880.50 : x
  2. Step 2: Convert to fraction form
    196,763.43/271,532.28 = 111,880.50/x
  3. Step 3: Cross multiply
    196,763.43x = 271,532.28 × 111,880.50
  4. Step 4: Simplify right side
    196,763.43x = 30,379,167,252.54
  5. Step 5: Solve for x
    x = 30,379,167,252.54/196,763.43
  6. Step 6: Final answer
    x = 154,394.38

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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.