Home / 205,845.75-284,067.14-111,637.75

Finding the Fourth Proportional to 205,845.75, 284,067.14 and 111,637.75

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Solution

The fourth proportional to 205,845.75, 284,067.14 and 111,637.75 is: 154,060.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,845.75 : 284,067.14 = 111,637.75 : x
  2. Step 2: Convert to fraction form
    205,845.75/284,067.14 = 111,637.75/x
  3. Step 3: Cross multiply
    205,845.75x = 284,067.14 × 111,637.75
  4. Step 4: Simplify right side
    205,845.75x = 31,712,616,358.54
  5. Step 5: Solve for x
    x = 31,712,616,358.54/205,845.75
  6. Step 6: Final answer
    x = 154,060.10

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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.