Home / 195,725.53-270,084.74-108,512.97

Finding the Fourth Proportional to 195,725.53, 270,084.74 and 108,512.97

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Solution

The fourth proportional to 195,725.53, 270,084.74 and 108,512.97 is: 149,738.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,725.53 : 270,084.74 = 108,512.97 : x
  2. Step 2: Convert to fraction form
    195,725.53/270,084.74 = 108,512.97/x
  3. Step 3: Cross multiply
    195,725.53x = 270,084.74 × 108,512.97
  4. Step 4: Simplify right side
    195,725.53x = 29,307,697,289.08
  5. Step 5: Solve for x
    x = 29,307,697,289.08/195,725.53
  6. Step 6: Final answer
    x = 149,738.76

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1.5x scale

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.