Home / 133,819.20-199,199.88-131,825.52

Finding the Fourth Proportional to 133,819.20, 199,199.88 and 131,825.52

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Solution

The fourth proportional to 133,819.20, 199,199.88 and 131,825.52 is: 196,232.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,819.20 : 199,199.88 = 131,825.52 : x
  2. Step 2: Convert to fraction form
    133,819.20/199,199.88 = 131,825.52/x
  3. Step 3: Cross multiply
    133,819.20x = 199,199.88 × 131,825.52
  4. Step 4: Simplify right side
    133,819.20x = 26,259,627,764.94
  5. Step 5: Solve for x
    x = 26,259,627,764.94/133,819.20
  6. Step 6: Final answer
    x = 196,232.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.