Home / 188,165.60-259,664.19-102,124.73

Finding the Fourth Proportional to 188,165.60, 259,664.19 and 102,124.73

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Solution

The fourth proportional to 188,165.60, 259,664.19 and 102,124.73 is: 140,929.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,165.60 : 259,664.19 = 102,124.73 : x
  2. Step 2: Convert to fraction form
    188,165.60/259,664.19 = 102,124.73/x
  3. Step 3: Cross multiply
    188,165.60x = 259,664.19 × 102,124.73
  4. Step 4: Simplify right side
    188,165.60x = 26,518,135,294.42
  5. Step 5: Solve for x
    x = 26,518,135,294.42/188,165.60
  6. Step 6: Final answer
    x = 140,929.77

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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.