Home / 132,942.20-199,450.98-54,113.00

Finding the Fourth Proportional to 132,942.20, 199,450.98 and 54,113.00

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Solution

The fourth proportional to 132,942.20, 199,450.98 and 54,113.00 is: 81,184.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,942.20 : 199,450.98 = 54,113.00 : x
  2. Step 2: Convert to fraction form
    132,942.20/199,450.98 = 54,113.00/x
  3. Step 3: Cross multiply
    132,942.20x = 199,450.98 × 54,113.00
  4. Step 4: Simplify right side
    132,942.20x = 10,792,889,883.49
  5. Step 5: Solve for x
    x = 10,792,889,883.49/132,942.20
  6. Step 6: Final answer
    x = 81,184.83

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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.