Home / 751,087.72-1,126,632.42-190,122.22

Finding the Fourth Proportional to 751,087.72, 1,126,632.42 and 190,122.22

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Solution

The fourth proportional to 751,087.72, 1,126,632.42 and 190,122.22 is: 285,183.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,087.72 : 1,126,632.42 = 190,122.22 : x
  2. Step 2: Convert to fraction form
    751,087.72/1,126,632.42 = 190,122.22/x
  3. Step 3: Cross multiply
    751,087.72x = 1,126,632.42 × 190,122.22
  4. Step 4: Simplify right side
    751,087.72x = 214,197,856,814.37
  5. Step 5: Solve for x
    x = 214,197,856,814.37/751,087.72
  6. Step 6: Final answer
    x = 285,183.54

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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.