Home / 188,183.96-259,685.70-103,302.44

Finding the Fourth Proportional to 188,183.96, 259,685.70 and 103,302.44

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Solution

The fourth proportional to 188,183.96, 259,685.70 and 103,302.44 is: 142,552.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,183.96 : 259,685.70 = 103,302.44 : x
  2. Step 2: Convert to fraction form
    188,183.96/259,685.70 = 103,302.44/x
  3. Step 3: Cross multiply
    188,183.96x = 259,685.70 × 103,302.44
  4. Step 4: Simplify right side
    188,183.96x = 26,826,166,443.11
  5. Step 5: Solve for x
    x = 26,826,166,443.11/188,183.96
  6. Step 6: Final answer
    x = 142,552.89

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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.