Home / 126,683.74-190,091.22-91,910.44

Finding the Fourth Proportional to 126,683.74, 190,091.22 and 91,910.44

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Solution

The fourth proportional to 126,683.74, 190,091.22 and 91,910.44 is: 137,913.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,683.74 : 190,091.22 = 91,910.44 : x
  2. Step 2: Convert to fraction form
    126,683.74/190,091.22 = 91,910.44/x
  3. Step 3: Cross multiply
    126,683.74x = 190,091.22 × 91,910.44
  4. Step 4: Simplify right side
    126,683.74x = 17,471,367,670.34
  5. Step 5: Solve for x
    x = 17,471,367,670.34/126,683.74
  6. Step 6: Final answer
    x = 137,913.26

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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.