Home / 193,810.20-290,520.90-88,704.60

Finding the Fourth Proportional to 193,810.20, 290,520.90 and 88,704.60

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Solution

The fourth proportional to 193,810.20, 290,520.90 and 88,704.60 is: 132,967.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,810.20 : 290,520.90 = 88,704.60 : x
  2. Step 2: Convert to fraction form
    193,810.20/290,520.90 = 88,704.60/x
  3. Step 3: Cross multiply
    193,810.20x = 290,520.90 × 88,704.60
  4. Step 4: Simplify right side
    193,810.20x = 25,770,540,226.14
  5. Step 5: Solve for x
    x = 25,770,540,226.14/193,810.20
  6. Step 6: Final answer
    x = 132,967.93

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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.