Home / 196,241.76-270,776.61-115,694.55

Finding the Fourth Proportional to 196,241.76, 270,776.61 and 115,694.55

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Solution

The fourth proportional to 196,241.76, 270,776.61 and 115,694.55 is: 159,636.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,241.76 : 270,776.61 = 115,694.55 : x
  2. Step 2: Convert to fraction form
    196,241.76/270,776.61 = 115,694.55/x
  3. Step 3: Cross multiply
    196,241.76x = 270,776.61 × 115,694.55
  4. Step 4: Simplify right side
    196,241.76x = 31,327,378,044.48
  5. Step 5: Solve for x
    x = 31,327,378,044.48/196,241.76
  6. Step 6: Final answer
    x = 159,636.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.