Home / 170,591-256,108.24-131,175.79

Finding the Fourth Proportional to 170,591, 256,108.24 and 131,175.79

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Solution

The fourth proportional to 170,591, 256,108.24 and 131,175.79 is: 196,934.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,591 : 256,108.24 = 131,175.79 : x
  2. Step 2: Convert to fraction form
    170,591/256,108.24 = 131,175.79/x
  3. Step 3: Cross multiply
    170,591x = 256,108.24 × 131,175.79
  4. Step 4: Simplify right side
    170,591x = 33,595,200,051.63
  5. Step 5: Solve for x
    x = 33,595,200,051.63/170,591
  6. Step 6: Final answer
    x = 196,934.19

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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.