Home / 231,978.60-347,963.22-74,207.04

Finding the Fourth Proportional to 231,978.60, 347,963.22 and 74,207.04

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Solution

The fourth proportional to 231,978.60, 347,963.22 and 74,207.04 is: 111,309.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,978.60 : 347,963.22 = 74,207.04 : x
  2. Step 2: Convert to fraction form
    231,978.60/347,963.22 = 74,207.04/x
  3. Step 3: Cross multiply
    231,978.60x = 347,963.22 × 74,207.04
  4. Step 4: Simplify right side
    231,978.60x = 25,821,320,585.07
  5. Step 5: Solve for x
    x = 25,821,320,585.07/231,978.60
  6. Step 6: Final answer
    x = 111,309.06

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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.