Home / 231,928.20-347,872.86-74,114.28

Finding the Fourth Proportional to 231,928.20, 347,872.86 and 74,114.28

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Solution

The fourth proportional to 231,928.20, 347,872.86 and 74,114.28 is: 111,165.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,928.20 : 347,872.86 = 74,114.28 : x
  2. Step 2: Convert to fraction form
    231,928.20/347,872.86 = 74,114.28/x
  3. Step 3: Cross multiply
    231,928.20x = 347,872.86 × 74,114.28
  4. Step 4: Simplify right side
    231,928.20x = 25,782,346,550.44
  5. Step 5: Solve for x
    x = 25,782,346,550.44/231,928.20
  6. Step 6: Final answer
    x = 111,165.21

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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.