Home / 196,418.88-271,080-111,551.04

Finding the Fourth Proportional to 196,418.88, 271,080 and 111,551.04

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Solution

The fourth proportional to 196,418.88, 271,080 and 111,551.04 is: 153,952.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,418.88 : 271,080 = 111,551.04 : x
  2. Step 2: Convert to fraction form
    196,418.88/271,080 = 111,551.04/x
  3. Step 3: Cross multiply
    196,418.88x = 271,080 × 111,551.04
  4. Step 4: Simplify right side
    196,418.88x = 30,239,255,923.20
  5. Step 5: Solve for x
    x = 30,239,255,923.20/196,418.88
  6. Step 6: Final answer
    x = 153,952.90

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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.