Home / 196,212.89-270,825.56-115,694.05

Finding the Fourth Proportional to 196,212.89, 270,825.56 and 115,694.05

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Solution

The fourth proportional to 196,212.89, 270,825.56 and 115,694.05 is: 159,688.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,212.89 : 270,825.56 = 115,694.05 : x
  2. Step 2: Convert to fraction form
    196,212.89/270,825.56 = 115,694.05/x
  3. Step 3: Cross multiply
    196,212.89x = 270,825.56 × 115,694.05
  4. Step 4: Simplify right side
    196,212.89x = 31,332,905,879.92
  5. Step 5: Solve for x
    x = 31,332,905,879.92/196,212.89
  6. Step 6: Final answer
    x = 159,688.32

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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.