Home / 188,080.58-259,551.20-107,509.85

Finding the Fourth Proportional to 188,080.58, 259,551.20 and 107,509.85

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Solution

The fourth proportional to 188,080.58, 259,551.20 and 107,509.85 is: 148,363.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,080.58 : 259,551.20 = 107,509.85 : x
  2. Step 2: Convert to fraction form
    188,080.58/259,551.20 = 107,509.85/x
  3. Step 3: Cross multiply
    188,080.58x = 259,551.20 × 107,509.85
  4. Step 4: Simplify right side
    188,080.58x = 27,904,308,744.01
  5. Step 5: Solve for x
    x = 27,904,308,744.01/188,080.58
  6. Step 6: Final answer
    x = 148,363.59

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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.