Home / 196,629.98-271,372.44-111,759.80

Finding the Fourth Proportional to 196,629.98, 271,372.44 and 111,759.80

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Solution

The fourth proportional to 196,629.98, 271,372.44 and 111,759.80 is: 154,241.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,629.98 : 271,372.44 = 111,759.80 : x
  2. Step 2: Convert to fraction form
    196,629.98/271,372.44 = 111,759.80/x
  3. Step 3: Cross multiply
    196,629.98x = 271,372.44 × 111,759.80
  4. Step 4: Simplify right side
    196,629.98x = 30,328,529,619.91
  5. Step 5: Solve for x
    x = 30,328,529,619.91/196,629.98
  6. Step 6: Final answer
    x = 154,241.64

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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.