Home / 218,623.32-327,658.70-117,169.26

Finding the Fourth Proportional to 218,623.32, 327,658.70 and 117,169.26

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Solution

The fourth proportional to 218,623.32, 327,658.70 and 117,169.26 is: 175,605.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,623.32 : 327,658.70 = 117,169.26 : x
  2. Step 2: Convert to fraction form
    218,623.32/327,658.70 = 117,169.26/x
  3. Step 3: Cross multiply
    218,623.32x = 327,658.70 × 117,169.26
  4. Step 4: Simplify right side
    218,623.32x = 38,391,526,036.38
  5. Step 5: Solve for x
    x = 38,391,526,036.38/218,623.32
  6. Step 6: Final answer
    x = 175,605.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.