Home / 196,637.22-271,382.40-111,767.04

Finding the Fourth Proportional to 196,637.22, 271,382.40 and 111,767.04

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Solution

The fourth proportional to 196,637.22, 271,382.40 and 111,767.04 is: 154,251.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,637.22 : 271,382.40 = 111,767.04 : x
  2. Step 2: Convert to fraction form
    196,637.22/271,382.40 = 111,767.04/x
  3. Step 3: Cross multiply
    196,637.22x = 271,382.40 × 111,767.04
  4. Step 4: Simplify right side
    196,637.22x = 30,331,607,556.10
  5. Step 5: Solve for x
    x = 30,331,607,556.10/196,637.22
  6. Step 6: Final answer
    x = 154,251.61

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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.