Home / 186,022.82-279,028.00-80,841.79

Finding the Fourth Proportional to 186,022.82, 279,028.00 and 80,841.79

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Solution

The fourth proportional to 186,022.82, 279,028.00 and 80,841.79 is: 121,259.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,022.82 : 279,028.00 = 80,841.79 : x
  2. Step 2: Convert to fraction form
    186,022.82/279,028.00 = 80,841.79/x
  3. Step 3: Cross multiply
    186,022.82x = 279,028.00 × 80,841.79
  4. Step 4: Simplify right side
    186,022.82x = 22,557,122,080.45
  5. Step 5: Solve for x
    x = 22,557,122,080.45/186,022.82
  6. Step 6: Final answer
    x = 121,259.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.