Home / 196,189.24-270,750.06-115,620.16

Finding the Fourth Proportional to 196,189.24, 270,750.06 and 115,620.16

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Solution

The fourth proportional to 196,189.24, 270,750.06 and 115,620.16 is: 159,561.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,189.24 : 270,750.06 = 115,620.16 : x
  2. Step 2: Convert to fraction form
    196,189.24/270,750.06 = 115,620.16/x
  3. Step 3: Cross multiply
    196,189.24x = 270,750.06 × 115,620.16
  4. Step 4: Simplify right side
    196,189.24x = 31,304,165,257.21
  5. Step 5: Solve for x
    x = 31,304,165,257.21/196,189.24
  6. Step 6: Final answer
    x = 159,561.07

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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.