Home / 204,789.51-306,778.77-96,570.71

Finding the Fourth Proportional to 204,789.51, 306,778.77 and 96,570.71

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Solution

The fourth proportional to 204,789.51, 306,778.77 and 96,570.71 is: 144,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,789.51 : 306,778.77 = 96,570.71 : x
  2. Step 2: Convert to fraction form
    204,789.51/306,778.77 = 96,570.71/x
  3. Step 3: Cross multiply
    204,789.51x = 306,778.77 × 96,570.71
  4. Step 4: Simplify right side
    204,789.51x = 29,625,843,248.35
  5. Step 5: Solve for x
    x = 29,625,843,248.35/204,789.51
  6. Step 6: Final answer
    x = 144,664.85

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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.