Home / 170,591.75-256,109.36-131,176.54

Finding the Fourth Proportional to 170,591.75, 256,109.36 and 131,176.54

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Solution

The fourth proportional to 170,591.75, 256,109.36 and 131,176.54 is: 196,935.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,591.75 : 256,109.36 = 131,176.54 : x
  2. Step 2: Convert to fraction form
    170,591.75/256,109.36 = 131,176.54/x
  3. Step 3: Cross multiply
    170,591.75x = 256,109.36 × 131,176.54
  4. Step 4: Simplify right side
    170,591.75x = 33,595,540,034.36
  5. Step 5: Solve for x
    x = 33,595,540,034.36/170,591.75
  6. Step 6: Final answer
    x = 196,935.32

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1.5x scale

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.