Home / 133,064.20-199,596.30-91,073.80

Finding the Fourth Proportional to 133,064.20, 199,596.30 and 91,073.80

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Solution

The fourth proportional to 133,064.20, 199,596.30 and 91,073.80 is: 136,610.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,064.20 : 199,596.30 = 91,073.80 : x
  2. Step 2: Convert to fraction form
    133,064.20/199,596.30 = 91,073.80/x
  3. Step 3: Cross multiply
    133,064.20x = 199,596.30 × 91,073.80
  4. Step 4: Simplify right side
    133,064.20x = 18,177,993,506.94
  5. Step 5: Solve for x
    x = 18,177,993,506.94/133,064.20
  6. Step 6: Final answer
    x = 136,610.70

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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.