Home / 196,556.94-271,249.38-111,678.66

Finding the Fourth Proportional to 196,556.94, 271,249.38 and 111,678.66

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Solution

The fourth proportional to 196,556.94, 271,249.38 and 111,678.66 is: 154,117.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,556.94 : 271,249.38 = 111,678.66 : x
  2. Step 2: Convert to fraction form
    196,556.94/271,249.38 = 111,678.66/x
  3. Step 3: Cross multiply
    196,556.94x = 271,249.38 × 111,678.66
  4. Step 4: Simplify right side
    196,556.94x = 30,292,767,284.23
  5. Step 5: Solve for x
    x = 30,292,767,284.23/196,556.94
  6. Step 6: Final answer
    x = 154,117.01

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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.