Home / 140,799.40-211,199.10-131,468.20

Finding the Fourth Proportional to 140,799.40, 211,199.10 and 131,468.20

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Solution

The fourth proportional to 140,799.40, 211,199.10 and 131,468.20 is: 197,202.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,799.40 : 211,199.10 = 131,468.20 : x
  2. Step 2: Convert to fraction form
    140,799.40/211,199.10 = 131,468.20/x
  3. Step 3: Cross multiply
    140,799.40x = 211,199.10 × 131,468.20
  4. Step 4: Simplify right side
    140,799.40x = 27,765,965,518.62
  5. Step 5: Solve for x
    x = 27,765,965,518.62/140,799.40
  6. Step 6: Final answer
    x = 197,202.30

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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.