Home / 188,828.47-260,589.15-102,793.18

Finding the Fourth Proportional to 188,828.47, 260,589.15 and 102,793.18

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Solution

The fourth proportional to 188,828.47, 260,589.15 and 102,793.18 is: 141,857.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,828.47 : 260,589.15 = 102,793.18 : x
  2. Step 2: Convert to fraction form
    188,828.47/260,589.15 = 102,793.18/x
  3. Step 3: Cross multiply
    188,828.47x = 260,589.15 × 102,793.18
  4. Step 4: Simplify right side
    188,828.47x = 26,786,786,099.05
  5. Step 5: Solve for x
    x = 26,786,786,099.05/188,828.47
  6. Step 6: Final answer
    x = 141,857.78

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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.