Home / 167,072.48-230,570.52-91,621

Finding the Fourth Proportional to 167,072.48, 230,570.52 and 91,621

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Solution

The fourth proportional to 167,072.48, 230,570.52 and 91,621 is: 126,442.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,072.48 : 230,570.52 = 91,621 : x
  2. Step 2: Convert to fraction form
    167,072.48/230,570.52 = 91,621/x
  3. Step 3: Cross multiply
    167,072.48x = 230,570.52 × 91,621
  4. Step 4: Simplify right side
    167,072.48x = 21,125,101,612.92
  5. Step 5: Solve for x
    x = 21,125,101,612.92/167,072.48
  6. Step 6: Final answer
    x = 126,442.74

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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.