Home / 196,626.97-271,368.30-111,756.79

Finding the Fourth Proportional to 196,626.97, 271,368.30 and 111,756.79

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Solution

The fourth proportional to 196,626.97, 271,368.30 and 111,756.79 is: 154,237.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,626.97 : 271,368.30 = 111,756.79 : x
  2. Step 2: Convert to fraction form
    196,626.97/271,368.30 = 111,756.79/x
  3. Step 3: Cross multiply
    196,626.97x = 271,368.30 × 111,756.79
  4. Step 4: Simplify right side
    196,626.97x = 30,327,250,115.76
  5. Step 5: Solve for x
    x = 30,327,250,115.76/196,626.97
  6. Step 6: Final answer
    x = 154,237.49

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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.