Home / 126,728.75-190,093.13-33,234.50

Finding the Fourth Proportional to 126,728.75, 190,093.13 and 33,234.50

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Solution

The fourth proportional to 126,728.75, 190,093.13 and 33,234.50 is: 49,851.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,728.75 : 190,093.13 = 33,234.50 : x
  2. Step 2: Convert to fraction form
    126,728.75/190,093.13 = 33,234.50/x
  3. Step 3: Cross multiply
    126,728.75x = 190,093.13 × 33,234.50
  4. Step 4: Simplify right side
    126,728.75x = 6,317,650,128.99
  5. Step 5: Solve for x
    x = 6,317,650,128.99/126,728.75
  6. Step 6: Final answer
    x = 49,851.75

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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.