Home / 122,196.60-183,149.10-109,657.80

Finding the Fourth Proportional to 122,196.60, 183,149.10 and 109,657.80

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Solution

The fourth proportional to 122,196.60, 183,149.10 and 109,657.80 is: 164,355.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,196.60 : 183,149.10 = 109,657.80 : x
  2. Step 2: Convert to fraction form
    122,196.60/183,149.10 = 109,657.80/x
  3. Step 3: Cross multiply
    122,196.60x = 183,149.10 × 109,657.80
  4. Step 4: Simplify right side
    122,196.60x = 20,083,727,377.98
  5. Step 5: Solve for x
    x = 20,083,727,377.98/122,196.60
  6. Step 6: Final answer
    x = 164,355.86

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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.