Home / 196,639.92-271,364.99-111,757.59

Finding the Fourth Proportional to 196,639.92, 271,364.99 and 111,757.59

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Solution

The fourth proportional to 196,639.92, 271,364.99 and 111,757.59 is: 154,226.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,639.92 : 271,364.99 = 111,757.59 : x
  2. Step 2: Convert to fraction form
    196,639.92/271,364.99 = 111,757.59/x
  3. Step 3: Cross multiply
    196,639.92x = 271,364.99 × 111,757.59
  4. Step 4: Simplify right side
    196,639.92x = 30,327,096,733.99
  5. Step 5: Solve for x
    x = 30,327,096,733.99/196,639.92
  6. Step 6: Final answer
    x = 154,226.55

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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.