Home / 196,020.99-270,505.38-109,981.56

Finding the Fourth Proportional to 196,020.99, 270,505.38 and 109,981.56

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Solution

The fourth proportional to 196,020.99, 270,505.38 and 109,981.56 is: 151,772.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,020.99 : 270,505.38 = 109,981.56 : x
  2. Step 2: Convert to fraction form
    196,020.99/270,505.38 = 109,981.56/x
  3. Step 3: Cross multiply
    196,020.99x = 270,505.38 × 109,981.56
  4. Step 4: Simplify right side
    196,020.99x = 29,750,603,680.79
  5. Step 5: Solve for x
    x = 29,750,603,680.79/196,020.99
  6. Step 6: Final answer
    x = 151,772.54

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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.