Home / 330,916.52-496,538.82-131,232.49

Finding the Fourth Proportional to 330,916.52, 496,538.82 and 131,232.49

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Solution

The fourth proportional to 330,916.52, 496,538.82 and 131,232.49 is: 196,913.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,916.52 : 496,538.82 = 131,232.49 : x
  2. Step 2: Convert to fraction form
    330,916.52/496,538.82 = 131,232.49/x
  3. Step 3: Cross multiply
    330,916.52x = 496,538.82 × 131,232.49
  4. Step 4: Simplify right side
    330,916.52x = 65,162,024,488.91
  5. Step 5: Solve for x
    x = 65,162,024,488.91/330,916.52
  6. Step 6: Final answer
    x = 196,913.78

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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.