Home / 196,514.43-271,182.11-111,622.11

Finding the Fourth Proportional to 196,514.43, 271,182.11 and 111,622.11

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Solution

The fourth proportional to 196,514.43, 271,182.11 and 111,622.11 is: 154,034.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,514.43 : 271,182.11 = 111,622.11 : x
  2. Step 2: Convert to fraction form
    196,514.43/271,182.11 = 111,622.11/x
  3. Step 3: Cross multiply
    196,514.43x = 271,182.11 × 111,622.11
  4. Step 4: Simplify right side
    196,514.43x = 30,269,918,754.34
  5. Step 5: Solve for x
    x = 30,269,918,754.34/196,514.43
  6. Step 6: Final answer
    x = 154,034.08

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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.