Home / 250,589.48-376,205.11-215,276.72

Finding the Fourth Proportional to 250,589.48, 376,205.11 and 215,276.72

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Solution

The fourth proportional to 250,589.48, 376,205.11 and 215,276.72 is: 323,190.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,589.48 : 376,205.11 = 215,276.72 : x
  2. Step 2: Convert to fraction form
    250,589.48/376,205.11 = 215,276.72/x
  3. Step 3: Cross multiply
    250,589.48x = 376,205.11 × 215,276.72
  4. Step 4: Simplify right side
    250,589.48x = 80,988,199,708.82
  5. Step 5: Solve for x
    x = 80,988,199,708.82/250,589.48
  6. Step 6: Final answer
    x = 323,190.75

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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.