Home / 205,764.41-283,965.91-115,114.97

Finding the Fourth Proportional to 205,764.41, 283,965.91 and 115,114.97

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Solution

The fourth proportional to 205,764.41, 283,965.91 and 115,114.97 is: 158,864.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,764.41 : 283,965.91 = 115,114.97 : x
  2. Step 2: Convert to fraction form
    205,764.41/283,965.91 = 115,114.97/x
  3. Step 3: Cross multiply
    205,764.41x = 283,965.91 × 115,114.97
  4. Step 4: Simplify right side
    205,764.41x = 32,688,727,632.80
  5. Step 5: Solve for x
    x = 32,688,727,632.80/205,764.41
  6. Step 6: Final answer
    x = 158,864.83

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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.