Home / 179,781.58-248,099.31-99,211.43

Finding the Fourth Proportional to 179,781.58, 248,099.31 and 99,211.43

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Solution

The fourth proportional to 179,781.58, 248,099.31 and 99,211.43 is: 136,912.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,781.58 : 248,099.31 = 99,211.43 : x
  2. Step 2: Convert to fraction form
    179,781.58/248,099.31 = 99,211.43/x
  3. Step 3: Cross multiply
    179,781.58x = 248,099.31 × 99,211.43
  4. Step 4: Simplify right side
    179,781.58x = 24,614,287,947.36
  5. Step 5: Solve for x
    x = 24,614,287,947.36/179,781.58
  6. Step 6: Final answer
    x = 136,912.18

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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.