Home / 132,685.30-198,806.10-57,692.98

Finding the Fourth Proportional to 132,685.30, 198,806.10 and 57,692.98

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Solution

The fourth proportional to 132,685.30, 198,806.10 and 57,692.98 is: 86,443.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,685.30 : 198,806.10 = 57,692.98 : x
  2. Step 2: Convert to fraction form
    132,685.30/198,806.10 = 57,692.98/x
  3. Step 3: Cross multiply
    132,685.30x = 198,806.10 × 57,692.98
  4. Step 4: Simplify right side
    132,685.30x = 11,469,716,351.18
  5. Step 5: Solve for x
    x = 11,469,716,351.18/132,685.30
  6. Step 6: Final answer
    x = 86,443.01

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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.