Home / 188,982.76-260,796.20-104,101.64

Finding the Fourth Proportional to 188,982.76, 260,796.20 and 104,101.64

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Solution

The fourth proportional to 188,982.76, 260,796.20 and 104,101.64 is: 143,660.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,982.76 : 260,796.20 = 104,101.64 : x
  2. Step 2: Convert to fraction form
    188,982.76/260,796.20 = 104,101.64/x
  3. Step 3: Cross multiply
    188,982.76x = 260,796.20 × 104,101.64
  4. Step 4: Simplify right side
    188,982.76x = 27,149,312,125.77
  5. Step 5: Solve for x
    x = 27,149,312,125.77/188,982.76
  6. Step 6: Final answer
    x = 143,660.26

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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.