Home / 196,514.68-271,182.44-111,622.36

Finding the Fourth Proportional to 196,514.68, 271,182.44 and 111,622.36

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Solution

The fourth proportional to 196,514.68, 271,182.44 and 111,622.36 is: 154,034.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,514.68 : 271,182.44 = 111,622.36 : x
  2. Step 2: Convert to fraction form
    196,514.68/271,182.44 = 111,622.36/x
  3. Step 3: Cross multiply
    196,514.68x = 271,182.44 × 111,622.36
  4. Step 4: Simplify right side
    196,514.68x = 30,270,023,943.36
  5. Step 5: Solve for x
    x = 30,270,023,943.36/196,514.68
  6. Step 6: Final answer
    x = 154,034.42

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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.