Home / 222,080.08-306,469.64-120,105.67

Finding the Fourth Proportional to 222,080.08, 306,469.64 and 120,105.67

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Solution

The fourth proportional to 222,080.08, 306,469.64 and 120,105.67 is: 165,745.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,080.08 : 306,469.64 = 120,105.67 : x
  2. Step 2: Convert to fraction form
    222,080.08/306,469.64 = 120,105.67/x
  3. Step 3: Cross multiply
    222,080.08x = 306,469.64 × 120,105.67
  4. Step 4: Simplify right side
    222,080.08x = 36,808,741,446.86
  5. Step 5: Solve for x
    x = 36,808,741,446.86/222,080.08
  6. Step 6: Final answer
    x = 165,745.35

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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.