Home / 231,829.20-347,743.80-74,073.60

Finding the Fourth Proportional to 231,829.20, 347,743.80 and 74,073.60

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Solution

The fourth proportional to 231,829.20, 347,743.80 and 74,073.60 is: 111,110.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,829.20 : 347,743.80 = 74,073.60 : x
  2. Step 2: Convert to fraction form
    231,829.20/347,743.80 = 74,073.60/x
  3. Step 3: Cross multiply
    231,829.20x = 347,743.80 × 74,073.60
  4. Step 4: Simplify right side
    231,829.20x = 25,758,635,143.68
  5. Step 5: Solve for x
    x = 25,758,635,143.68/231,829.20
  6. Step 6: Final answer
    x = 111,110.40

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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.