Home / 196,517.73-271,117.48-120,935.01

Finding the Fourth Proportional to 196,517.73, 271,117.48 and 120,935.01

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Solution

The fourth proportional to 196,517.73, 271,117.48 and 120,935.01 is: 166,842.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,517.73 : 271,117.48 = 120,935.01 : x
  2. Step 2: Convert to fraction form
    196,517.73/271,117.48 = 120,935.01/x
  3. Step 3: Cross multiply
    196,517.73x = 271,117.48 × 120,935.01
  4. Step 4: Simplify right side
    196,517.73x = 32,787,595,154.97
  5. Step 5: Solve for x
    x = 32,787,595,154.97/196,517.73
  6. Step 6: Final answer
    x = 166,842.94

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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.