Home / 122,104.40-183,156.60-92,166.80

Finding the Fourth Proportional to 122,104.40, 183,156.60 and 92,166.80

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Solution

The fourth proportional to 122,104.40, 183,156.60 and 92,166.80 is: 138,250.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,104.40 : 183,156.60 = 92,166.80 : x
  2. Step 2: Convert to fraction form
    122,104.40/183,156.60 = 92,166.80/x
  3. Step 3: Cross multiply
    122,104.40x = 183,156.60 × 92,166.80
  4. Step 4: Simplify right side
    122,104.40x = 16,880,957,720.88
  5. Step 5: Solve for x
    x = 16,880,957,720.88/122,104.40
  6. Step 6: Final answer
    x = 138,250.20

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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.