Home / 196,288.26-270,881.44-111,410.78

Finding the Fourth Proportional to 196,288.26, 270,881.44 and 111,410.78

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Solution

The fourth proportional to 196,288.26, 270,881.44 and 111,410.78 is: 153,748.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,288.26 : 270,881.44 = 111,410.78 : x
  2. Step 2: Convert to fraction form
    196,288.26/270,881.44 = 111,410.78/x
  3. Step 3: Cross multiply
    196,288.26x = 270,881.44 × 111,410.78
  4. Step 4: Simplify right side
    196,288.26x = 30,179,112,517.92
  5. Step 5: Solve for x
    x = 30,179,112,517.92/196,288.26
  6. Step 6: Final answer
    x = 153,748.94

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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.