Home / 196,838.57-295,082.06-76,867.61

Finding the Fourth Proportional to 196,838.57, 295,082.06 and 76,867.61

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Solution

The fourth proportional to 196,838.57, 295,082.06 and 76,867.61 is: 115,232.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,838.57 : 295,082.06 = 76,867.61 : x
  2. Step 2: Convert to fraction form
    196,838.57/295,082.06 = 76,867.61/x
  3. Step 3: Cross multiply
    196,838.57x = 295,082.06 × 76,867.61
  4. Step 4: Simplify right side
    196,838.57x = 22,682,250,846.33
  5. Step 5: Solve for x
    x = 22,682,250,846.33/196,838.57
  6. Step 6: Final answer
    x = 115,232.75

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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.