Home / 133,218.27-198,855.57-116,403

Finding the Fourth Proportional to 133,218.27, 198,855.57 and 116,403

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Solution

The fourth proportional to 133,218.27, 198,855.57 and 116,403 is: 173,755.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,218.27 : 198,855.57 = 116,403 : x
  2. Step 2: Convert to fraction form
    133,218.27/198,855.57 = 116,403/x
  3. Step 3: Cross multiply
    133,218.27x = 198,855.57 × 116,403
  4. Step 4: Simplify right side
    133,218.27x = 23,147,384,914.71
  5. Step 5: Solve for x
    x = 23,147,384,914.71/133,218.27
  6. Step 6: Final answer
    x = 173,755.33

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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.