Home / 208,828.22-313,172.13-75,680.60

Finding the Fourth Proportional to 208,828.22, 313,172.13 and 75,680.60

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Solution

The fourth proportional to 208,828.22, 313,172.13 and 75,680.60 is: 113,495.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,828.22 : 313,172.13 = 75,680.60 : x
  2. Step 2: Convert to fraction form
    208,828.22/313,172.13 = 75,680.60/x
  3. Step 3: Cross multiply
    208,828.22x = 313,172.13 × 75,680.60
  4. Step 4: Simplify right side
    208,828.22x = 23,701,055,768.41
  5. Step 5: Solve for x
    x = 23,701,055,768.41/208,828.22
  6. Step 6: Final answer
    x = 113,495.46

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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.