Home / 126,550.64-190,121.21-73,997.03

Finding the Fourth Proportional to 126,550.64, 190,121.21 and 73,997.03

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Solution

The fourth proportional to 126,550.64, 190,121.21 and 73,997.03 is: 111,168.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,550.64 : 190,121.21 = 73,997.03 : x
  2. Step 2: Convert to fraction form
    126,550.64/190,121.21 = 73,997.03/x
  3. Step 3: Cross multiply
    126,550.64x = 190,121.21 × 73,997.03
  4. Step 4: Simplify right side
    126,550.64x = 14,068,405,262.81
  5. Step 5: Solve for x
    x = 14,068,405,262.81/126,550.64
  6. Step 6: Final answer
    x = 111,168.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.