Home / 222,739.68-307,382.86-120,764.88

Finding the Fourth Proportional to 222,739.68, 307,382.86 and 120,764.88

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Solution

The fourth proportional to 222,739.68, 307,382.86 and 120,764.88 is: 166,656.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,739.68 : 307,382.86 = 120,764.88 : x
  2. Step 2: Convert to fraction form
    222,739.68/307,382.86 = 120,764.88/x
  3. Step 3: Cross multiply
    222,739.68x = 307,382.86 × 120,764.88
  4. Step 4: Simplify right side
    222,739.68x = 37,121,054,201.96
  5. Step 5: Solve for x
    x = 37,121,054,201.96/222,739.68
  6. Step 6: Final answer
    x = 166,656.67

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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.