Home / 132,368.20-198,552.30-109,817.80

Finding the Fourth Proportional to 132,368.20, 198,552.30 and 109,817.80

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Solution

The fourth proportional to 132,368.20, 198,552.30 and 109,817.80 is: 164,726.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,368.20 : 198,552.30 = 109,817.80 : x
  2. Step 2: Convert to fraction form
    132,368.20/198,552.30 = 109,817.80/x
  3. Step 3: Cross multiply
    132,368.20x = 198,552.30 × 109,817.80
  4. Step 4: Simplify right side
    132,368.20x = 21,804,576,770.94
  5. Step 5: Solve for x
    x = 21,804,576,770.94/132,368.20
  6. Step 6: Final answer
    x = 164,726.70

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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.