Home / 188,775.72-260,451.84-107,090.50

Finding the Fourth Proportional to 188,775.72, 260,451.84 and 107,090.50

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Solution

The fourth proportional to 188,775.72, 260,451.84 and 107,090.50 is: 147,751.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,775.72 : 260,451.84 = 107,090.50 : x
  2. Step 2: Convert to fraction form
    188,775.72/260,451.84 = 107,090.50/x
  3. Step 3: Cross multiply
    188,775.72x = 260,451.84 × 107,090.50
  4. Step 4: Simplify right side
    188,775.72x = 27,891,917,771.52
  5. Step 5: Solve for x
    x = 27,891,917,771.52/188,775.72
  6. Step 6: Final answer
    x = 147,751.62

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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.