Home / 168,873.09-233,006.74-100,876.79

Finding the Fourth Proportional to 168,873.09, 233,006.74 and 100,876.79

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Solution

The fourth proportional to 168,873.09, 233,006.74 and 100,876.79 is: 139,187.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,873.09 : 233,006.74 = 100,876.79 : x
  2. Step 2: Convert to fraction form
    168,873.09/233,006.74 = 100,876.79/x
  3. Step 3: Cross multiply
    168,873.09x = 233,006.74 × 100,876.79
  4. Step 4: Simplify right side
    168,873.09x = 23,504,971,436.11
  5. Step 5: Solve for x
    x = 23,504,971,436.11/168,873.09
  6. Step 6: Final answer
    x = 139,187.19

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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.