Home / 166,899.66-230,321.67-91,448.16

Finding the Fourth Proportional to 166,899.66, 230,321.67 and 91,448.16

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Solution

The fourth proportional to 166,899.66, 230,321.67 and 91,448.16 is: 126,198.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,899.66 : 230,321.67 = 91,448.16 : x
  2. Step 2: Convert to fraction form
    166,899.66/230,321.67 = 91,448.16/x
  3. Step 3: Cross multiply
    166,899.66x = 230,321.67 × 91,448.16
  4. Step 4: Simplify right side
    166,899.66x = 21,062,492,929.63
  5. Step 5: Solve for x
    x = 21,062,492,929.63/166,899.66
  6. Step 6: Final answer
    x = 126,198.54

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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.