Home / 168,189.12-232,099.56-92,736

Finding the Fourth Proportional to 168,189.12, 232,099.56 and 92,736

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Solution

The fourth proportional to 168,189.12, 232,099.56 and 92,736 is: 127,974.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,189.12 : 232,099.56 = 92,736 : x
  2. Step 2: Convert to fraction form
    168,189.12/232,099.56 = 92,736/x
  3. Step 3: Cross multiply
    168,189.12x = 232,099.56 × 92,736
  4. Step 4: Simplify right side
    168,189.12x = 21,523,984,796.16
  5. Step 5: Solve for x
    x = 21,523,984,796.16/168,189.12
  6. Step 6: Final answer
    x = 127,974.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.