Home / 188,553.73-260,214.66-103,688.41

Finding the Fourth Proportional to 188,553.73, 260,214.66 and 103,688.41

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Solution

The fourth proportional to 188,553.73, 260,214.66 and 103,688.41 is: 143,095.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,553.73 : 260,214.66 = 103,688.41 : x
  2. Step 2: Convert to fraction form
    188,553.73/260,214.66 = 103,688.41/x
  3. Step 3: Cross multiply
    188,553.73x = 260,214.66 × 103,688.41
  4. Step 4: Simplify right side
    188,553.73x = 26,981,244,354.09
  5. Step 5: Solve for x
    x = 26,981,244,354.09/188,553.73
  6. Step 6: Final answer
    x = 143,095.79

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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.