Home / 196,082.76-294,221.34-77,751.56

Finding the Fourth Proportional to 196,082.76, 294,221.34 and 77,751.56

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Solution

The fourth proportional to 196,082.76, 294,221.34 and 77,751.56 is: 116,665.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,082.76 : 294,221.34 = 77,751.56 : x
  2. Step 2: Convert to fraction form
    196,082.76/294,221.34 = 77,751.56/x
  3. Step 3: Cross multiply
    196,082.76x = 294,221.34 × 77,751.56
  4. Step 4: Simplify right side
    196,082.76x = 22,876,168,170.29
  5. Step 5: Solve for x
    x = 22,876,168,170.29/196,082.76
  6. Step 6: Final answer
    x = 116,665.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.