Home / 196,558.87-294,781.29-76,589.06

Finding the Fourth Proportional to 196,558.87, 294,781.29 and 76,589.06

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Solution

The fourth proportional to 196,558.87, 294,781.29 and 76,589.06 is: 114,861.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,558.87 : 294,781.29 = 76,589.06 : x
  2. Step 2: Convert to fraction form
    196,558.87/294,781.29 = 76,589.06/x
  3. Step 3: Cross multiply
    196,558.87x = 294,781.29 × 76,589.06
  4. Step 4: Simplify right side
    196,558.87x = 22,577,021,906.69
  5. Step 5: Solve for x
    x = 22,577,021,906.69/196,558.87
  6. Step 6: Final answer
    x = 114,861.37

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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.