Home / 158,733.31-238,136.33-68,791.12

Finding the Fourth Proportional to 158,733.31, 238,136.33 and 68,791.12

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Solution

The fourth proportional to 158,733.31, 238,136.33 and 68,791.12 is: 103,202.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,733.31 : 238,136.33 = 68,791.12 : x
  2. Step 2: Convert to fraction form
    158,733.31/238,136.33 = 68,791.12/x
  3. Step 3: Cross multiply
    158,733.31x = 238,136.33 × 68,791.12
  4. Step 4: Simplify right side
    158,733.31x = 16,381,664,509.43
  5. Step 5: Solve for x
    x = 16,381,664,509.43/158,733.31
  6. Step 6: Final answer
    x = 103,202.44

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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.