Home / 192,921.66-266,232.10-108,038.72

Finding the Fourth Proportional to 192,921.66, 266,232.10 and 108,038.72

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Solution

The fourth proportional to 192,921.66, 266,232.10 and 108,038.72 is: 149,093.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,921.66 : 266,232.10 = 108,038.72 : x
  2. Step 2: Convert to fraction form
    192,921.66/266,232.10 = 108,038.72/x
  3. Step 3: Cross multiply
    192,921.66x = 266,232.10 × 108,038.72
  4. Step 4: Simplify right side
    192,921.66x = 28,763,375,306.91
  5. Step 5: Solve for x
    x = 28,763,375,306.91/192,921.66
  6. Step 6: Final answer
    x = 149,093.55

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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.