Home / 327,548.48-491,317.22-147,533.78

Finding the Fourth Proportional to 327,548.48, 491,317.22 and 147,533.78

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Solution

The fourth proportional to 327,548.48, 491,317.22 and 147,533.78 is: 221,298.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,548.48 : 491,317.22 = 147,533.78 : x
  2. Step 2: Convert to fraction form
    327,548.48/491,317.22 = 147,533.78/x
  3. Step 3: Cross multiply
    327,548.48x = 491,317.22 × 147,533.78
  4. Step 4: Simplify right side
    327,548.48x = 72,485,883,451.44
  5. Step 5: Solve for x
    x = 72,485,883,451.44/327,548.48
  6. Step 6: Final answer
    x = 221,298.19

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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.