Home / 192,314.88-288,621.12-125,736.96

Finding the Fourth Proportional to 192,314.88, 288,621.12 and 125,736.96

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Solution

The fourth proportional to 192,314.88, 288,621.12 and 125,736.96 is: 188,702.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,314.88 : 288,621.12 = 125,736.96 : x
  2. Step 2: Convert to fraction form
    192,314.88/288,621.12 = 125,736.96/x
  3. Step 3: Cross multiply
    192,314.88x = 288,621.12 × 125,736.96
  4. Step 4: Simplify right side
    192,314.88x = 36,290,342,220.60
  5. Step 5: Solve for x
    x = 36,290,342,220.60/192,314.88
  6. Step 6: Final answer
    x = 188,702.73

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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.