Home / 105,546.26-158,286.26-30,671.60

Finding the Fourth Proportional to 105,546.26, 158,286.26 and 30,671.60

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Solution

The fourth proportional to 105,546.26, 158,286.26 and 30,671.60 is: 45,997.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,546.26 : 158,286.26 = 30,671.60 : x
  2. Step 2: Convert to fraction form
    105,546.26/158,286.26 = 30,671.60/x
  3. Step 3: Cross multiply
    105,546.26x = 158,286.26 × 30,671.60
  4. Step 4: Simplify right side
    105,546.26x = 4,854,891,907.43
  5. Step 5: Solve for x
    x = 4,854,891,907.43/105,546.26
  6. Step 6: Final answer
    x = 45,997.77

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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.