Home / 109,610.20-164,415.30-106,329.70

Finding the Fourth Proportional to 109,610.20, 164,415.30 and 106,329.70

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Solution

The fourth proportional to 109,610.20, 164,415.30 and 106,329.70 is: 159,494.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,610.20 : 164,415.30 = 106,329.70 : x
  2. Step 2: Convert to fraction form
    109,610.20/164,415.30 = 106,329.70/x
  3. Step 3: Cross multiply
    109,610.20x = 164,415.30 × 106,329.70
  4. Step 4: Simplify right side
    109,610.20x = 17,482,229,524.41
  5. Step 5: Solve for x
    x = 17,482,229,524.41/109,610.20
  6. Step 6: Final answer
    x = 159,494.55

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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.