Home / 196,731.87-271,480.37-111,847.11

Finding the Fourth Proportional to 196,731.87, 271,480.37 and 111,847.11

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Solution

The fourth proportional to 196,731.87, 271,480.37 and 111,847.11 is: 154,343.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,731.87 : 271,480.37 = 111,847.11 : x
  2. Step 2: Convert to fraction form
    196,731.87/271,480.37 = 111,847.11/x
  3. Step 3: Cross multiply
    196,731.87x = 271,480.37 × 111,847.11
  4. Step 4: Simplify right side
    196,731.87x = 30,364,294,806.23
  5. Step 5: Solve for x
    x = 30,364,294,806.23/196,731.87
  6. Step 6: Final answer
    x = 154,343.55

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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.