Home / 205,741.41-283,909.82-115,081.83

Finding the Fourth Proportional to 205,741.41, 283,909.82 and 115,081.83

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Solution

The fourth proportional to 205,741.41, 283,909.82 and 115,081.83 is: 158,805.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,741.41 : 283,909.82 = 115,081.83 : x
  2. Step 2: Convert to fraction form
    205,741.41/283,909.82 = 115,081.83/x
  3. Step 3: Cross multiply
    205,741.41x = 283,909.82 × 115,081.83
  4. Step 4: Simplify right side
    205,741.41x = 32,672,861,065.16
  5. Step 5: Solve for x
    x = 32,672,861,065.16/205,741.41
  6. Step 6: Final answer
    x = 158,805.47

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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.