Home / 269,136.32-403,707.56-115,241.58

Finding the Fourth Proportional to 269,136.32, 403,707.56 and 115,241.58

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Solution

The fourth proportional to 269,136.32, 403,707.56 and 115,241.58 is: 172,863.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,136.32 : 403,707.56 = 115,241.58 : x
  2. Step 2: Convert to fraction form
    269,136.32/403,707.56 = 115,241.58/x
  3. Step 3: Cross multiply
    269,136.32x = 403,707.56 × 115,241.58
  4. Step 4: Simplify right side
    269,136.32x = 46,523,897,072.34
  5. Step 5: Solve for x
    x = 46,523,897,072.34/269,136.32
  6. Step 6: Final answer
    x = 172,863.69

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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.