Home / 192,921.41-266,231.76-108,038.48

Finding the Fourth Proportional to 192,921.41, 266,231.76 and 108,038.48

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Solution

The fourth proportional to 192,921.41, 266,231.76 and 108,038.48 is: 149,093.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,921.41 : 266,231.76 = 108,038.48 : x
  2. Step 2: Convert to fraction form
    192,921.41/266,231.76 = 108,038.48/x
  3. Step 3: Cross multiply
    192,921.41x = 266,231.76 × 108,038.48
  4. Step 4: Simplify right side
    192,921.41x = 28,763,273,346.97
  5. Step 5: Solve for x
    x = 28,763,273,346.97/192,921.41
  6. Step 6: Final answer
    x = 149,093.21

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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.