Home / 196,806.46-295,353.06-78,511.64

Finding the Fourth Proportional to 196,806.46, 295,353.06 and 78,511.64

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Solution

The fourth proportional to 196,806.46, 295,353.06 and 78,511.64 is: 117,824.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,806.46 : 295,353.06 = 78,511.64 : x
  2. Step 2: Convert to fraction form
    196,806.46/295,353.06 = 78,511.64/x
  3. Step 3: Cross multiply
    196,806.46x = 295,353.06 × 78,511.64
  4. Step 4: Simplify right side
    196,806.46x = 23,188,653,119.62
  5. Step 5: Solve for x
    x = 23,188,653,119.62/196,806.46
  6. Step 6: Final answer
    x = 117,824.65

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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.