Home / 231,940.60-347,965.38-72,008.33

Finding the Fourth Proportional to 231,940.60, 347,965.38 and 72,008.33

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Solution

The fourth proportional to 231,940.60, 347,965.38 and 72,008.33 is: 108,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,940.60 : 347,965.38 = 72,008.33 : x
  2. Step 2: Convert to fraction form
    231,940.60/347,965.38 = 72,008.33/x
  3. Step 3: Cross multiply
    231,940.60x = 347,965.38 × 72,008.33
  4. Step 4: Simplify right side
    231,940.60x = 25,056,404,171.79
  5. Step 5: Solve for x
    x = 25,056,404,171.79/231,940.60
  6. Step 6: Final answer
    x = 108,029.40

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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.