Home / 188,983.45-260,797.86-104,100.31

Finding the Fourth Proportional to 188,983.45, 260,797.86 and 104,100.31

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Solution

The fourth proportional to 188,983.45, 260,797.86 and 104,100.31 is: 143,658.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,983.45 : 260,797.86 = 104,100.31 : x
  2. Step 2: Convert to fraction form
    188,983.45/260,797.86 = 104,100.31/x
  3. Step 3: Cross multiply
    188,983.45x = 260,797.86 × 104,100.31
  4. Step 4: Simplify right side
    188,983.45x = 27,149,138,073.34
  5. Step 5: Solve for x
    x = 27,149,138,073.34/188,983.45
  6. Step 6: Final answer
    x = 143,658.81

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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.