Home / 140,933.57-211,178.62-108,990.83

Finding the Fourth Proportional to 140,933.57, 211,178.62 and 108,990.83

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Solution

The fourth proportional to 140,933.57, 211,178.62 and 108,990.83 is: 163,314.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,933.57 : 211,178.62 = 108,990.83 : x
  2. Step 2: Convert to fraction form
    140,933.57/211,178.62 = 108,990.83/x
  3. Step 3: Cross multiply
    140,933.57x = 211,178.62 × 108,990.83
  4. Step 4: Simplify right side
    140,933.57x = 23,016,533,736.24
  5. Step 5: Solve for x
    x = 23,016,533,736.24/140,933.57
  6. Step 6: Final answer
    x = 163,314.78

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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.