Home / 251,200.85-376,860.40-82,734.62

Finding the Fourth Proportional to 251,200.85, 376,860.40 and 82,734.62

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Solution

The fourth proportional to 251,200.85, 376,860.40 and 82,734.62 is: 124,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,200.85 : 376,860.40 = 82,734.62 : x
  2. Step 2: Convert to fraction form
    251,200.85/376,860.40 = 82,734.62/x
  3. Step 3: Cross multiply
    251,200.85x = 376,860.40 × 82,734.62
  4. Step 4: Simplify right side
    251,200.85x = 31,179,399,895.91
  5. Step 5: Solve for x
    x = 31,179,399,895.91/251,200.85
  6. Step 6: Final answer
    x = 124,121.40

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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.