Home / 382,163.88-573,247.20-115,926.72

Finding the Fourth Proportional to 382,163.88, 573,247.20 and 115,926.72

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Solution

The fourth proportional to 382,163.88, 573,247.20 and 115,926.72 is: 173,890.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,163.88 : 573,247.20 = 115,926.72 : x
  2. Step 2: Convert to fraction form
    382,163.88/573,247.20 = 115,926.72/x
  3. Step 3: Cross multiply
    382,163.88x = 573,247.20 × 115,926.72
  4. Step 4: Simplify right side
    382,163.88x = 66,454,667,645.18
  5. Step 5: Solve for x
    x = 66,454,667,645.18/382,163.88
  6. Step 6: Final answer
    x = 173,890.50

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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.