Home / 197,082.45-271,974.08-112,199.51

Finding the Fourth Proportional to 197,082.45, 271,974.08 and 112,199.51

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Solution

The fourth proportional to 197,082.45, 271,974.08 and 112,199.51 is: 154,835.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,082.45 : 271,974.08 = 112,199.51 : x
  2. Step 2: Convert to fraction form
    197,082.45/271,974.08 = 112,199.51/x
  3. Step 3: Cross multiply
    197,082.45x = 271,974.08 × 112,199.51
  4. Step 4: Simplify right side
    197,082.45x = 30,515,359,469.13
  5. Step 5: Solve for x
    x = 30,515,359,469.13/197,082.45
  6. Step 6: Final answer
    x = 154,835.50

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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.