Home / 196,636.35-271,381.20-111,766.17

Finding the Fourth Proportional to 196,636.35, 271,381.20 and 111,766.17

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Solution

The fourth proportional to 196,636.35, 271,381.20 and 111,766.17 is: 154,250.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,636.35 : 271,381.20 = 111,766.17 : x
  2. Step 2: Convert to fraction form
    196,636.35/271,381.20 = 111,766.17/x
  3. Step 3: Cross multiply
    196,636.35x = 271,381.20 × 111,766.17
  4. Step 4: Simplify right side
    196,636.35x = 30,331,237,334.00
  5. Step 5: Solve for x
    x = 30,331,237,334.00/196,636.35
  6. Step 6: Final answer
    x = 154,250.41

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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.