Home / 205,640.43-283,784.54-119,620.05

Finding the Fourth Proportional to 205,640.43, 283,784.54 and 119,620.05

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Solution

The fourth proportional to 205,640.43, 283,784.54 and 119,620.05 is: 165,076.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,640.43 : 283,784.54 = 119,620.05 : x
  2. Step 2: Convert to fraction form
    205,640.43/283,784.54 = 119,620.05/x
  3. Step 3: Cross multiply
    205,640.43x = 283,784.54 × 119,620.05
  4. Step 4: Simplify right side
    205,640.43x = 33,946,320,864.03
  5. Step 5: Solve for x
    x = 33,946,320,864.03/205,640.43
  6. Step 6: Final answer
    x = 165,076.10

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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.