Home / 188,583.18-260,229.33-111,046.56

Finding the Fourth Proportional to 188,583.18, 260,229.33 and 111,046.56

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Solution

The fourth proportional to 188,583.18, 260,229.33 and 111,046.56 is: 153,235.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,583.18 : 260,229.33 = 111,046.56 : x
  2. Step 2: Convert to fraction form
    188,583.18/260,229.33 = 111,046.56/x
  3. Step 3: Cross multiply
    188,583.18x = 260,229.33 × 111,046.56
  4. Step 4: Simplify right side
    188,583.18x = 28,897,571,907.60
  5. Step 5: Solve for x
    x = 28,897,571,907.60/188,583.18
  6. Step 6: Final answer
    x = 153,235.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.