Home / 103,441.69-155,162.25-27,540.23

Finding the Fourth Proportional to 103,441.69, 155,162.25 and 27,540.23

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Solution

The fourth proportional to 103,441.69, 155,162.25 and 27,540.23 is: 41,310.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,441.69 : 155,162.25 = 27,540.23 : x
  2. Step 2: Convert to fraction form
    103,441.69/155,162.25 = 27,540.23/x
  3. Step 3: Cross multiply
    103,441.69x = 155,162.25 × 27,540.23
  4. Step 4: Simplify right side
    103,441.69x = 4,273,204,052.32
  5. Step 5: Solve for x
    x = 4,273,204,052.32/103,441.69
  6. Step 6: Final answer
    x = 41,310.27

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Double scale
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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.