Home / 196,917.48-271,756.62-112,061.88

Finding the Fourth Proportional to 196,917.48, 271,756.62 and 112,061.88

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Solution

The fourth proportional to 196,917.48, 271,756.62 and 112,061.88 is: 154,651.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,917.48 : 271,756.62 = 112,061.88 : x
  2. Step 2: Convert to fraction form
    196,917.48/271,756.62 = 112,061.88/x
  3. Step 3: Cross multiply
    196,917.48x = 271,756.62 × 112,061.88
  4. Step 4: Simplify right side
    196,917.48x = 30,453,557,739.65
  5. Step 5: Solve for x
    x = 30,453,557,739.65/196,917.48
  6. Step 6: Final answer
    x = 154,651.37

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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.