Home / 188,867.38-260,636.50-103,984.44

Finding the Fourth Proportional to 188,867.38, 260,636.50 and 103,984.44

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Solution

The fourth proportional to 188,867.38, 260,636.50 and 103,984.44 is: 143,498.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,867.38 : 260,636.50 = 103,984.44 : x
  2. Step 2: Convert to fraction form
    188,867.38/260,636.50 = 103,984.44/x
  3. Step 3: Cross multiply
    188,867.38x = 260,636.50 × 103,984.44
  4. Step 4: Simplify right side
    188,867.38x = 27,102,141,114.73
  5. Step 5: Solve for x
    x = 27,102,141,114.73/188,867.38
  6. Step 6: Final answer
    x = 143,498.26

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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.