Home / 196,144.74-270,684.99-111,274.56

Finding the Fourth Proportional to 196,144.74, 270,684.99 and 111,274.56

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Solution

The fourth proportional to 196,144.74, 270,684.99 and 111,274.56 is: 153,561.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,144.74 : 270,684.99 = 111,274.56 : x
  2. Step 2: Convert to fraction form
    196,144.74/270,684.99 = 111,274.56/x
  3. Step 3: Cross multiply
    196,144.74x = 270,684.99 × 111,274.56
  4. Step 4: Simplify right side
    196,144.74x = 30,120,353,160.85
  5. Step 5: Solve for x
    x = 30,120,353,160.85/196,144.74
  6. Step 6: Final answer
    x = 153,561.87

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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.