Home / 158,961.16-238,286.22-75,913.48

Finding the Fourth Proportional to 158,961.16, 238,286.22 and 75,913.48

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Solution

The fourth proportional to 158,961.16, 238,286.22 and 75,913.48 is: 113,795.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,961.16 : 238,286.22 = 75,913.48 : x
  2. Step 2: Convert to fraction form
    158,961.16/238,286.22 = 75,913.48/x
  3. Step 3: Cross multiply
    158,961.16x = 238,286.22 × 75,913.48
  4. Step 4: Simplify right side
    158,961.16x = 18,089,136,196.25
  5. Step 5: Solve for x
    x = 18,089,136,196.25/158,961.16
  6. Step 6: Final answer
    x = 113,795.95

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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.