Home / 133,121.74-199,693-44,375.24

Finding the Fourth Proportional to 133,121.74, 199,693 and 44,375.24

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Solution

The fourth proportional to 133,121.74, 199,693 and 44,375.24 is: 66,566.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,121.74 : 199,693 = 44,375.24 : x
  2. Step 2: Convert to fraction form
    133,121.74/199,693 = 44,375.24/x
  3. Step 3: Cross multiply
    133,121.74x = 199,693 × 44,375.24
  4. Step 4: Simplify right side
    133,121.74x = 8,861,424,801.32
  5. Step 5: Solve for x
    x = 8,861,424,801.32/133,121.74
  6. Step 6: Final answer
    x = 66,566.32

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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.