Home / 193,821.80-290,819.10-88,586.60

Finding the Fourth Proportional to 193,821.80, 290,819.10 and 88,586.60

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Solution

The fourth proportional to 193,821.80, 290,819.10 and 88,586.60 is: 132,919.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,821.80 : 290,819.10 = 88,586.60 : x
  2. Step 2: Convert to fraction form
    193,821.80/290,819.10 = 88,586.60/x
  3. Step 3: Cross multiply
    193,821.80x = 290,819.10 × 88,586.60
  4. Step 4: Simplify right side
    193,821.80x = 25,762,675,284.06
  5. Step 5: Solve for x
    x = 25,762,675,284.06/193,821.80
  6. Step 6: Final answer
    x = 132,919.39

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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.