Home / 240,583.76-331,991.82-133,147.40

Finding the Fourth Proportional to 240,583.76, 331,991.82 and 133,147.40

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Solution

The fourth proportional to 240,583.76, 331,991.82 and 133,147.40 is: 183,735.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,583.76 : 331,991.82 = 133,147.40 : x
  2. Step 2: Convert to fraction form
    240,583.76/331,991.82 = 133,147.40/x
  3. Step 3: Cross multiply
    240,583.76x = 331,991.82 × 133,147.40
  4. Step 4: Simplify right side
    240,583.76x = 44,203,847,654.27
  5. Step 5: Solve for x
    x = 44,203,847,654.27/240,583.76
  6. Step 6: Final answer
    x = 183,735.79

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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.