Home / 196,213.39-270,826.26-115,694.56

Finding the Fourth Proportional to 196,213.39, 270,826.26 and 115,694.56

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Solution

The fourth proportional to 196,213.39, 270,826.26 and 115,694.56 is: 159,689.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,213.39 : 270,826.26 = 115,694.56 : x
  2. Step 2: Convert to fraction form
    196,213.39/270,826.26 = 115,694.56/x
  3. Step 3: Cross multiply
    196,213.39x = 270,826.26 × 115,694.56
  4. Step 4: Simplify right side
    196,213.39x = 31,333,124,987.15
  5. Step 5: Solve for x
    x = 31,333,124,987.15/196,213.39
  6. Step 6: Final answer
    x = 159,689.03

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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.