Home / 330,994.32-496,183.68-120,584.40

Finding the Fourth Proportional to 330,994.32, 496,183.68 and 120,584.40

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Solution

The fourth proportional to 330,994.32, 496,183.68 and 120,584.40 is: 180,764.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,994.32 : 496,183.68 = 120,584.40 : x
  2. Step 2: Convert to fraction form
    330,994.32/496,183.68 = 120,584.40/x
  3. Step 3: Cross multiply
    330,994.32x = 496,183.68 × 120,584.40
  4. Step 4: Simplify right side
    330,994.32x = 59,832,011,342.59
  5. Step 5: Solve for x
    x = 59,832,011,342.59/330,994.32
  6. Step 6: Final answer
    x = 180,764.47

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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.