Home / 168,971.19-233,164.44-100,974.66

Finding the Fourth Proportional to 168,971.19, 233,164.44 and 100,974.66

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Solution

The fourth proportional to 168,971.19, 233,164.44 and 100,974.66 is: 139,335.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,971.19 : 233,164.44 = 100,974.66 : x
  2. Step 2: Convert to fraction form
    168,971.19/233,164.44 = 100,974.66/x
  3. Step 3: Cross multiply
    168,971.19x = 233,164.44 × 100,974.66
  4. Step 4: Simplify right side
    168,971.19x = 23,543,700,053.09
  5. Step 5: Solve for x
    x = 23,543,700,053.09/168,971.19
  6. Step 6: Final answer
    x = 139,335.59

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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.