Home / 188,979.96-260,794.20-104,098.80

Finding the Fourth Proportional to 188,979.96, 260,794.20 and 104,098.80

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Solution

The fourth proportional to 188,979.96, 260,794.20 and 104,098.80 is: 143,657.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,979.96 : 260,794.20 = 104,098.80 : x
  2. Step 2: Convert to fraction form
    188,979.96/260,794.20 = 104,098.80/x
  3. Step 3: Cross multiply
    188,979.96x = 260,794.20 × 104,098.80
  4. Step 4: Simplify right side
    188,979.96x = 27,148,363,266.96
  5. Step 5: Solve for x
    x = 27,148,363,266.96/188,979.96
  6. Step 6: Final answer
    x = 143,657.37

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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.