Home / 206,741.82-285,317.88-114,872.19

Finding the Fourth Proportional to 206,741.82, 285,317.88 and 114,872.19

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Solution

The fourth proportional to 206,741.82, 285,317.88 and 114,872.19 is: 158,531.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,741.82 : 285,317.88 = 114,872.19 : x
  2. Step 2: Convert to fraction form
    206,741.82/285,317.88 = 114,872.19/x
  3. Step 3: Cross multiply
    206,741.82x = 285,317.88 × 114,872.19
  4. Step 4: Simplify right side
    206,741.82x = 32,775,089,721.76
  5. Step 5: Solve for x
    x = 32,775,089,721.76/206,741.82
  6. Step 6: Final answer
    x = 158,531.49

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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.