Home / 133,019.88-183,560.20-75,651.44

Finding the Fourth Proportional to 133,019.88, 183,560.20 and 75,651.44

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Solution

The fourth proportional to 133,019.88, 183,560.20 and 75,651.44 is: 104,394.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,019.88 : 183,560.20 = 75,651.44 : x
  2. Step 2: Convert to fraction form
    133,019.88/183,560.20 = 75,651.44/x
  3. Step 3: Cross multiply
    133,019.88x = 183,560.20 × 75,651.44
  4. Step 4: Simplify right side
    133,019.88x = 13,886,593,456.69
  5. Step 5: Solve for x
    x = 13,886,593,456.69/133,019.88
  6. Step 6: Final answer
    x = 104,394.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.