Home / 109,836.40-164,692.14-43,240.46

Finding the Fourth Proportional to 109,836.40, 164,692.14 and 43,240.46

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Solution

The fourth proportional to 109,836.40, 164,692.14 and 43,240.46 is: 64,836.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,836.40 : 164,692.14 = 43,240.46 : x
  2. Step 2: Convert to fraction form
    109,836.40/164,692.14 = 43,240.46/x
  3. Step 3: Cross multiply
    109,836.40x = 164,692.14 × 43,240.46
  4. Step 4: Simplify right side
    109,836.40x = 7,121,363,891.98
  5. Step 5: Solve for x
    x = 7,121,363,891.98/109,836.40
  6. Step 6: Final answer
    x = 64,836.10

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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.