Home / 196,515.43-271,183.48-111,623.11

Finding the Fourth Proportional to 196,515.43, 271,183.48 and 111,623.11

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Solution

The fourth proportional to 196,515.43, 271,183.48 and 111,623.11 is: 154,035.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,515.43 : 271,183.48 = 111,623.11 : x
  2. Step 2: Convert to fraction form
    196,515.43/271,183.48 = 111,623.11/x
  3. Step 3: Cross multiply
    196,515.43x = 271,183.48 × 111,623.11
  4. Step 4: Simplify right side
    196,515.43x = 30,270,343,418.22
  5. Step 5: Solve for x
    x = 30,270,343,418.22/196,515.43
  6. Step 6: Final answer
    x = 154,035.45

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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.