Home / 215,027.02-322,546.20-57,255.76

Finding the Fourth Proportional to 215,027.02, 322,546.20 and 57,255.76

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Solution

The fourth proportional to 215,027.02, 322,546.20 and 57,255.76 is: 85,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,027.02 : 322,546.20 = 57,255.76 : x
  2. Step 2: Convert to fraction form
    215,027.02/322,546.20 = 57,255.76/x
  3. Step 3: Cross multiply
    215,027.02x = 322,546.20 × 57,255.76
  4. Step 4: Simplify right side
    215,027.02x = 18,467,627,816.11
  5. Step 5: Solve for x
    x = 18,467,627,816.11/215,027.02
  6. Step 6: Final answer
    x = 85,885.15

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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.