Home / 133,032.20-199,548.30-54,105.80

Finding the Fourth Proportional to 133,032.20, 199,548.30 and 54,105.80

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Solution

The fourth proportional to 133,032.20, 199,548.30 and 54,105.80 is: 81,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,032.20 : 199,548.30 = 54,105.80 : x
  2. Step 2: Convert to fraction form
    133,032.20/199,548.30 = 54,105.80/x
  3. Step 3: Cross multiply
    133,032.20x = 199,548.30 × 54,105.80
  4. Step 4: Simplify right side
    133,032.20x = 10,796,720,410.14
  5. Step 5: Solve for x
    x = 10,796,720,410.14/133,032.20
  6. Step 6: Final answer
    x = 81,158.70

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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.