Home / 330,880.42-496,078.66-106,112.90

Finding the Fourth Proportional to 330,880.42, 496,078.66 and 106,112.90

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Solution

The fourth proportional to 330,880.42, 496,078.66 and 106,112.90 is: 159,091.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,880.42 : 496,078.66 = 106,112.90 : x
  2. Step 2: Convert to fraction form
    330,880.42/496,078.66 = 106,112.90/x
  3. Step 3: Cross multiply
    330,880.42x = 496,078.66 × 106,112.90
  4. Step 4: Simplify right side
    330,880.42x = 52,640,345,240.71
  5. Step 5: Solve for x
    x = 52,640,345,240.71/330,880.42
  6. Step 6: Final answer
    x = 159,091.75

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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.