Home / 141,015.40-211,523.10-131,173.90

Finding the Fourth Proportional to 141,015.40, 211,523.10 and 131,173.90

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Solution

The fourth proportional to 141,015.40, 211,523.10 and 131,173.90 is: 196,760.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,015.40 : 211,523.10 = 131,173.90 : x
  2. Step 2: Convert to fraction form
    141,015.40/211,523.10 = 131,173.90/x
  3. Step 3: Cross multiply
    141,015.40x = 211,523.10 × 131,173.90
  4. Step 4: Simplify right side
    141,015.40x = 27,746,309,967.09
  5. Step 5: Solve for x
    x = 27,746,309,967.09/141,015.40
  6. Step 6: Final answer
    x = 196,760.85

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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.