Home / 105,380.64-158,021.28-35,241.12

Finding the Fourth Proportional to 105,380.64, 158,021.28 and 35,241.12

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Solution

The fourth proportional to 105,380.64, 158,021.28 and 35,241.12 is: 52,845.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,380.64 : 158,021.28 = 35,241.12 : x
  2. Step 2: Convert to fraction form
    105,380.64/158,021.28 = 35,241.12/x
  3. Step 3: Cross multiply
    105,380.64x = 158,021.28 × 35,241.12
  4. Step 4: Simplify right side
    105,380.64x = 5,568,846,891.03
  5. Step 5: Solve for x
    x = 5,568,846,891.03/105,380.64
  6. Step 6: Final answer
    x = 52,845.07

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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.