Home / 122,049.09-168,506.06-83,796.30

Finding the Fourth Proportional to 122,049.09, 168,506.06 and 83,796.30

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Solution

The fourth proportional to 122,049.09, 168,506.06 and 83,796.30 is: 115,692.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,049.09 : 168,506.06 = 83,796.30 : x
  2. Step 2: Convert to fraction form
    122,049.09/168,506.06 = 83,796.30/x
  3. Step 3: Cross multiply
    122,049.09x = 168,506.06 × 83,796.30
  4. Step 4: Simplify right side
    122,049.09x = 14,120,183,936.60
  5. Step 5: Solve for x
    x = 14,120,183,936.60/122,049.09
  6. Step 6: Final answer
    x = 115,692.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.