Home / 188,276.92-259,823.82-103,394.58

Finding the Fourth Proportional to 188,276.92, 259,823.82 and 103,394.58

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Solution

The fourth proportional to 188,276.92, 259,823.82 and 103,394.58 is: 142,685.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,276.92 : 259,823.82 = 103,394.58 : x
  2. Step 2: Convert to fraction form
    188,276.92/259,823.82 = 103,394.58/x
  3. Step 3: Cross multiply
    188,276.92x = 259,823.82 × 103,394.58
  4. Step 4: Simplify right side
    188,276.92x = 26,864,374,742.90
  5. Step 5: Solve for x
    x = 26,864,374,742.90/188,276.92
  6. Step 6: Final answer
    x = 142,685.44

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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.