Home / 126,550.82-190,121.47-73,997.21

Finding the Fourth Proportional to 126,550.82, 190,121.47 and 73,997.21

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Solution

The fourth proportional to 126,550.82, 190,121.47 and 73,997.21 is: 111,168.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,550.82 : 190,121.47 = 73,997.21 : x
  2. Step 2: Convert to fraction form
    126,550.82/190,121.47 = 73,997.21/x
  3. Step 3: Cross multiply
    126,550.82x = 190,121.47 × 73,997.21
  4. Step 4: Simplify right side
    126,550.82x = 14,068,457,390.49
  5. Step 5: Solve for x
    x = 14,068,457,390.49/126,550.82
  6. Step 6: Final answer
    x = 111,168.45

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1.5x scale

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.