Home / 120,482.22-166,260.92-66,765.84

Finding the Fourth Proportional to 120,482.22, 166,260.92 and 66,765.84

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Solution

The fourth proportional to 120,482.22, 166,260.92 and 66,765.84 is: 92,134.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,482.22 : 166,260.92 = 66,765.84 : x
  2. Step 2: Convert to fraction form
    120,482.22/166,260.92 = 66,765.84/x
  3. Step 3: Cross multiply
    120,482.22x = 166,260.92 × 66,765.84
  4. Step 4: Simplify right side
    120,482.22x = 11,100,549,982.97
  5. Step 5: Solve for x
    x = 11,100,549,982.97/120,482.22
  6. Step 6: Final answer
    x = 92,134.34

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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.