Home / 330,787.65-496,345.44-131,103.62

Finding the Fourth Proportional to 330,787.65, 496,345.44 and 131,103.62

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Solution

The fourth proportional to 330,787.65, 496,345.44 and 131,103.62 is: 196,720.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,787.65 : 496,345.44 = 131,103.62 : x
  2. Step 2: Convert to fraction form
    330,787.65/496,345.44 = 131,103.62/x
  3. Step 3: Cross multiply
    330,787.65x = 496,345.44 × 131,103.62
  4. Step 4: Simplify right side
    330,787.65x = 65,072,683,954.49
  5. Step 5: Solve for x
    x = 65,072,683,954.49/330,787.65
  6. Step 6: Final answer
    x = 196,720.42

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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.