Home / 168,669.35-253,004.06-68,876.54

Finding the Fourth Proportional to 168,669.35, 253,004.06 and 68,876.54

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Solution

The fourth proportional to 168,669.35, 253,004.06 and 68,876.54 is: 103,314.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,669.35 : 253,004.06 = 68,876.54 : x
  2. Step 2: Convert to fraction form
    168,669.35/253,004.06 = 68,876.54/x
  3. Step 3: Cross multiply
    168,669.35x = 253,004.06 × 68,876.54
  4. Step 4: Simplify right side
    168,669.35x = 17,426,044,258.75
  5. Step 5: Solve for x
    x = 17,426,044,258.75/168,669.35
  6. Step 6: Final answer
    x = 103,314.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.