Home / 188,584.20-260,243.28-103,701.06

Finding the Fourth Proportional to 188,584.20, 260,243.28 and 103,701.06

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Solution

The fourth proportional to 188,584.20, 260,243.28 and 103,701.06 is: 143,105.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,584.20 : 260,243.28 = 103,701.06 : x
  2. Step 2: Convert to fraction form
    188,584.20/260,243.28 = 103,701.06/x
  3. Step 3: Cross multiply
    188,584.20x = 260,243.28 × 103,701.06
  4. Step 4: Simplify right side
    188,584.20x = 26,987,503,993.88
  5. Step 5: Solve for x
    x = 26,987,503,993.88/188,584.20
  6. Step 6: Final answer
    x = 143,105.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.