Home / 217,963.23-326,997.54-75,787.98

Finding the Fourth Proportional to 217,963.23, 326,997.54 and 75,787.98

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Solution

The fourth proportional to 217,963.23, 326,997.54 and 75,787.98 is: 113,700.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,963.23 : 326,997.54 = 75,787.98 : x
  2. Step 2: Convert to fraction form
    217,963.23/326,997.54 = 75,787.98/x
  3. Step 3: Cross multiply
    217,963.23x = 326,997.54 × 75,787.98
  4. Step 4: Simplify right side
    217,963.23x = 24,782,483,021.57
  5. Step 5: Solve for x
    x = 24,782,483,021.57/217,963.23
  6. Step 6: Final answer
    x = 113,700.29

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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.