Home / 250,728.20-376,048.58-115,780.77

Finding the Fourth Proportional to 250,728.20, 376,048.58 and 115,780.77

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Solution

The fourth proportional to 250,728.20, 376,048.58 and 115,780.77 is: 173,650.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,728.20 : 376,048.58 = 115,780.77 : x
  2. Step 2: Convert to fraction form
    250,728.20/376,048.58 = 115,780.77/x
  3. Step 3: Cross multiply
    250,728.20x = 376,048.58 × 115,780.77
  4. Step 4: Simplify right side
    250,728.20x = 43,539,193,570.90
  5. Step 5: Solve for x
    x = 43,539,193,570.90/250,728.20
  6. Step 6: Final answer
    x = 173,650.97

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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.