Home / 205,640.16-283,669.44-119,589.72

Finding the Fourth Proportional to 205,640.16, 283,669.44 and 119,589.72

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Solution

The fourth proportional to 205,640.16, 283,669.44 and 119,589.72 is: 164,967.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,640.16 : 283,669.44 = 119,589.72 : x
  2. Step 2: Convert to fraction form
    205,640.16/283,669.44 = 119,589.72/x
  3. Step 3: Cross multiply
    205,640.16x = 283,669.44 × 119,589.72
  4. Step 4: Simplify right side
    205,640.16x = 33,923,948,902.16
  5. Step 5: Solve for x
    x = 33,923,948,902.16/205,640.16
  6. Step 6: Final answer
    x = 164,967.53

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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.