Home / 122,268.44-168,765.72-79,246.46

Finding the Fourth Proportional to 122,268.44, 168,765.72 and 79,246.46

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Solution

The fourth proportional to 122,268.44, 168,765.72 and 79,246.46 is: 109,382.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,268.44 : 168,765.72 = 79,246.46 : x
  2. Step 2: Convert to fraction form
    122,268.44/168,765.72 = 79,246.46/x
  3. Step 3: Cross multiply
    122,268.44x = 168,765.72 × 79,246.46
  4. Step 4: Simplify right side
    122,268.44x = 13,374,085,879.35
  5. Step 5: Solve for x
    x = 13,374,085,879.35/122,268.44
  6. Step 6: Final answer
    x = 109,382.98

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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.