Home / 196,636.85-271,381.89-111,766.67

Finding the Fourth Proportional to 196,636.85, 271,381.89 and 111,766.67

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Solution

The fourth proportional to 196,636.85, 271,381.89 and 111,766.67 is: 154,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,636.85 : 271,381.89 = 111,766.67 : x
  2. Step 2: Convert to fraction form
    196,636.85/271,381.89 = 111,766.67/x
  3. Step 3: Cross multiply
    196,636.85x = 271,381.89 × 111,766.67
  4. Step 4: Simplify right side
    196,636.85x = 30,331,450,143.61
  5. Step 5: Solve for x
    x = 30,331,450,143.61/196,636.85
  6. Step 6: Final answer
    x = 154,251.10

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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.