Home / 170,590.62-256,107.67-131,175.42

Finding the Fourth Proportional to 170,590.62, 256,107.67 and 131,175.42

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Solution

The fourth proportional to 170,590.62, 256,107.67 and 131,175.42 is: 196,933.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,590.62 : 256,107.67 = 131,175.42 : x
  2. Step 2: Convert to fraction form
    170,590.62/256,107.67 = 131,175.42/x
  3. Step 3: Cross multiply
    170,590.62x = 256,107.67 × 131,175.42
  4. Step 4: Simplify right side
    170,590.62x = 33,595,031,177.47
  5. Step 5: Solve for x
    x = 33,595,031,177.47/170,590.62
  6. Step 6: Final answer
    x = 196,933.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.