Home / 185,696.21-256,321.73-109,211.96

Finding the Fourth Proportional to 185,696.21, 256,321.73 and 109,211.96

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Solution

The fourth proportional to 185,696.21, 256,321.73 and 109,211.96 is: 150,748.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,696.21 : 256,321.73 = 109,211.96 : x
  2. Step 2: Convert to fraction form
    185,696.21/256,321.73 = 109,211.96/x
  3. Step 3: Cross multiply
    185,696.21x = 256,321.73 × 109,211.96
  4. Step 4: Simplify right side
    185,696.21x = 27,993,399,437.73
  5. Step 5: Solve for x
    x = 27,993,399,437.73/185,696.21
  6. Step 6: Final answer
    x = 150,748.36

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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.