Home / 351,944.53-527,911.30-85,704.60

Finding the Fourth Proportional to 351,944.53, 527,911.30 and 85,704.60

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Solution

The fourth proportional to 351,944.53, 527,911.30 and 85,704.60 is: 128,555.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,944.53 : 527,911.30 = 85,704.60 : x
  2. Step 2: Convert to fraction form
    351,944.53/527,911.30 = 85,704.60/x
  3. Step 3: Cross multiply
    351,944.53x = 527,911.30 × 85,704.60
  4. Step 4: Simplify right side
    351,944.53x = 45,244,426,801.98
  5. Step 5: Solve for x
    x = 45,244,426,801.98/351,944.53
  6. Step 6: Final answer
    x = 128,555.56

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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.