Home / 188,582.73-260,244.17-103,699.80

Finding the Fourth Proportional to 188,582.73, 260,244.17 and 103,699.80

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Solution

The fourth proportional to 188,582.73, 260,244.17 and 103,699.80 is: 143,105.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,582.73 : 260,244.17 = 103,699.80 : x
  2. Step 2: Convert to fraction form
    188,582.73/260,244.17 = 103,699.80/x
  3. Step 3: Cross multiply
    188,582.73x = 260,244.17 × 103,699.80
  4. Step 4: Simplify right side
    188,582.73x = 26,987,268,380.17
  5. Step 5: Solve for x
    x = 26,987,268,380.17/188,582.73
  6. Step 6: Final answer
    x = 143,105.73

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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.