Home / 204,915.32-307,372.96-55,155.92

Finding the Fourth Proportional to 204,915.32, 307,372.96 and 55,155.92

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Solution

The fourth proportional to 204,915.32, 307,372.96 and 55,155.92 is: 82,733.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,915.32 : 307,372.96 = 55,155.92 : x
  2. Step 2: Convert to fraction form
    204,915.32/307,372.96 = 55,155.92/x
  3. Step 3: Cross multiply
    204,915.32x = 307,372.96 × 55,155.92
  4. Step 4: Simplify right side
    204,915.32x = 16,953,438,391.92
  5. Step 5: Solve for x
    x = 16,953,438,391.92/204,915.32
  6. Step 6: Final answer
    x = 82,733.87

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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.