Home / 205,705.86-283,900.38-115,066.86

Finding the Fourth Proportional to 205,705.86, 283,900.38 and 115,066.86

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Solution

The fourth proportional to 205,705.86, 283,900.38 and 115,066.86 is: 158,806.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,705.86 : 283,900.38 = 115,066.86 : x
  2. Step 2: Convert to fraction form
    205,705.86/283,900.38 = 115,066.86/x
  3. Step 3: Cross multiply
    205,705.86x = 283,900.38 × 115,066.86
  4. Step 4: Simplify right side
    205,705.86x = 32,667,525,279.41
  5. Step 5: Solve for x
    x = 32,667,525,279.41/205,705.86
  6. Step 6: Final answer
    x = 158,806.97

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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.