Home / 168,190.30-232,099.64-91,710

Finding the Fourth Proportional to 168,190.30, 232,099.64 and 91,710

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Solution

The fourth proportional to 168,190.30, 232,099.64 and 91,710 is: 126,558.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,190.30 : 232,099.64 = 91,710 : x
  2. Step 2: Convert to fraction form
    168,190.30/232,099.64 = 91,710/x
  3. Step 3: Cross multiply
    168,190.30x = 232,099.64 × 91,710
  4. Step 4: Simplify right side
    168,190.30x = 21,285,857,984.40
  5. Step 5: Solve for x
    x = 21,285,857,984.40/168,190.30
  6. Step 6: Final answer
    x = 126,558.18

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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.