Home / 196,109.30-294,181.47-76,163.39

Finding the Fourth Proportional to 196,109.30, 294,181.47 and 76,163.39

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Solution

The fourth proportional to 196,109.30, 294,181.47 and 76,163.39 is: 114,251.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,109.30 : 294,181.47 = 76,163.39 : x
  2. Step 2: Convert to fraction form
    196,109.30/294,181.47 = 76,163.39/x
  3. Step 3: Cross multiply
    196,109.30x = 294,181.47 × 76,163.39
  4. Step 4: Simplify right side
    196,109.30x = 22,405,857,662.66
  5. Step 5: Solve for x
    x = 22,405,857,662.66/196,109.30
  6. Step 6: Final answer
    x = 114,251.89

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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.