Home / 196,636.98-271,359.09-111,751.86

Finding the Fourth Proportional to 196,636.98, 271,359.09 and 111,751.86

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Solution

The fourth proportional to 196,636.98, 271,359.09 and 111,751.86 is: 154,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,636.98 : 271,359.09 = 111,751.86 : x
  2. Step 2: Convert to fraction form
    196,636.98/271,359.09 = 111,751.86/x
  3. Step 3: Cross multiply
    196,636.98x = 271,359.09 × 111,751.86
  4. Step 4: Simplify right side
    196,636.98x = 30,324,883,035.41
  5. Step 5: Solve for x
    x = 30,324,883,035.41/196,636.98
  6. Step 6: Final answer
    x = 154,217.60

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1.5x scale

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.