Home / 155,765.70-233,481.69-111,257.42

Finding the Fourth Proportional to 155,765.70, 233,481.69 and 111,257.42

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Solution

The fourth proportional to 155,765.70, 233,481.69 and 111,257.42 is: 166,766.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,765.70 : 233,481.69 = 111,257.42 : x
  2. Step 2: Convert to fraction form
    155,765.70/233,481.69 = 111,257.42/x
  3. Step 3: Cross multiply
    155,765.70x = 233,481.69 × 111,257.42
  4. Step 4: Simplify right side
    155,765.70x = 25,976,569,279.23
  5. Step 5: Solve for x
    x = 25,976,569,279.23/155,765.70
  6. Step 6: Final answer
    x = 166,766.94

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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.