Home / 330,135.08-494,874.56-196,815.56

Finding the Fourth Proportional to 330,135.08, 494,874.56 and 196,815.56

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Solution

The fourth proportional to 330,135.08, 494,874.56 and 196,815.56 is: 295,027.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,135.08 : 494,874.56 = 196,815.56 : x
  2. Step 2: Convert to fraction form
    330,135.08/494,874.56 = 196,815.56/x
  3. Step 3: Cross multiply
    330,135.08x = 494,874.56 × 196,815.56
  4. Step 4: Simplify right side
    330,135.08x = 97,399,013,656.15
  5. Step 5: Solve for x
    x = 97,399,013,656.15/330,135.08
  6. Step 6: Final answer
    x = 295,027.76

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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.