Home / 126,774.22-190,256.97-86,697.44

Finding the Fourth Proportional to 126,774.22, 190,256.97 and 86,697.44

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Solution

The fourth proportional to 126,774.22, 190,256.97 and 86,697.44 is: 130,111.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,774.22 : 190,256.97 = 86,697.44 : x
  2. Step 2: Convert to fraction form
    126,774.22/190,256.97 = 86,697.44/x
  3. Step 3: Cross multiply
    126,774.22x = 190,256.97 × 86,697.44
  4. Step 4: Simplify right side
    126,774.22x = 16,494,792,241.16
  5. Step 5: Solve for x
    x = 16,494,792,241.16/126,774.22
  6. Step 6: Final answer
    x = 130,111.57

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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.