Home / 133,203.25-198,833.19-116,387.96

Finding the Fourth Proportional to 133,203.25, 198,833.19 and 116,387.96

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Solution

The fourth proportional to 133,203.25, 198,833.19 and 116,387.96 is: 173,732.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,203.25 : 198,833.19 = 116,387.96 : x
  2. Step 2: Convert to fraction form
    133,203.25/198,833.19 = 116,387.96/x
  3. Step 3: Cross multiply
    133,203.25x = 198,833.19 × 116,387.96
  4. Step 4: Simplify right side
    133,203.25x = 23,141,787,933.77
  5. Step 5: Solve for x
    x = 23,141,787,933.77/133,203.25
  6. Step 6: Final answer
    x = 173,732.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.