Home / 220,781.60-331,072.76-62,972.56

Finding the Fourth Proportional to 220,781.60, 331,072.76 and 62,972.56

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Solution

The fourth proportional to 220,781.60, 331,072.76 and 62,972.56 is: 94,430.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,781.60 : 331,072.76 = 62,972.56 : x
  2. Step 2: Convert to fraction form
    220,781.60/331,072.76 = 62,972.56/x
  3. Step 3: Cross multiply
    220,781.60x = 331,072.76 × 62,972.56
  4. Step 4: Simplify right side
    220,781.60x = 20,848,499,243.47
  5. Step 5: Solve for x
    x = 20,848,499,243.47/220,781.60
  6. Step 6: Final answer
    x = 94,430.42

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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.