Home / 122,988.24-184,367.04-66,745.92

Finding the Fourth Proportional to 122,988.24, 184,367.04 and 66,745.92

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Solution

The fourth proportional to 122,988.24, 184,367.04 and 66,745.92 is: 100,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,988.24 : 184,367.04 = 66,745.92 : x
  2. Step 2: Convert to fraction form
    122,988.24/184,367.04 = 66,745.92/x
  3. Step 3: Cross multiply
    122,988.24x = 184,367.04 × 66,745.92
  4. Step 4: Simplify right side
    122,988.24x = 12,305,747,702.48
  5. Step 5: Solve for x
    x = 12,305,747,702.48/122,988.24
  6. Step 6: Final answer
    x = 100,056.30

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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.