Home / 190,739.08-263,267.40-110,213.20

Finding the Fourth Proportional to 190,739.08, 263,267.40 and 110,213.20

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Solution

The fourth proportional to 190,739.08, 263,267.40 and 110,213.20 is: 152,121.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,739.08 : 263,267.40 = 110,213.20 : x
  2. Step 2: Convert to fraction form
    190,739.08/263,267.40 = 110,213.20/x
  3. Step 3: Cross multiply
    190,739.08x = 263,267.40 × 110,213.20
  4. Step 4: Simplify right side
    190,739.08x = 29,015,542,609.68
  5. Step 5: Solve for x
    x = 29,015,542,609.68/190,739.08
  6. Step 6: Final answer
    x = 152,121.64

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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.