Home / 126,474.21-190,555.13-114,481.25

Finding the Fourth Proportional to 126,474.21, 190,555.13 and 114,481.25

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Solution

The fourth proportional to 126,474.21, 190,555.13 and 114,481.25 is: 172,485.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,474.21 : 190,555.13 = 114,481.25 : x
  2. Step 2: Convert to fraction form
    126,474.21/190,555.13 = 114,481.25/x
  3. Step 3: Cross multiply
    126,474.21x = 190,555.13 × 114,481.25
  4. Step 4: Simplify right side
    126,474.21x = 21,814,989,524.32
  5. Step 5: Solve for x
    x = 21,814,989,524.32/126,474.21
  6. Step 6: Final answer
    x = 172,485.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.