Home / 110,823.15-166,480.77-68,734.34

Finding the Fourth Proportional to 110,823.15, 166,480.77 and 68,734.34

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Solution

The fourth proportional to 110,823.15, 166,480.77 and 68,734.34 is: 103,254.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,823.15 : 166,480.77 = 68,734.34 : x
  2. Step 2: Convert to fraction form
    110,823.15/166,480.77 = 68,734.34/x
  3. Step 3: Cross multiply
    110,823.15x = 166,480.77 × 68,734.34
  4. Step 4: Simplify right side
    110,823.15x = 11,442,945,511.66
  5. Step 5: Solve for x
    x = 11,442,945,511.66/110,823.15
  6. Step 6: Final answer
    x = 103,254.10

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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.