Home / 201,725.20-278,382.60-111,084.38

Finding the Fourth Proportional to 201,725.20, 278,382.60 and 111,084.38

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Solution

The fourth proportional to 201,725.20, 278,382.60 and 111,084.38 is: 153,297.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,725.20 : 278,382.60 = 111,084.38 : x
  2. Step 2: Convert to fraction form
    201,725.20/278,382.60 = 111,084.38/x
  3. Step 3: Cross multiply
    201,725.20x = 278,382.60 × 111,084.38
  4. Step 4: Simplify right side
    201,725.20x = 30,923,958,523.79
  5. Step 5: Solve for x
    x = 30,923,958,523.79/201,725.20
  6. Step 6: Final answer
    x = 153,297.45

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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.