Home / 183,738.40-275,769.60-108,764.80

Finding the Fourth Proportional to 183,738.40, 275,769.60 and 108,764.80

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Solution

The fourth proportional to 183,738.40, 275,769.60 and 108,764.80 is: 163,243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,738.40 : 275,769.60 = 108,764.80 : x
  2. Step 2: Convert to fraction form
    183,738.40/275,769.60 = 108,764.80/x
  3. Step 3: Cross multiply
    183,738.40x = 275,769.60 × 108,764.80
  4. Step 4: Simplify right side
    183,738.40x = 29,994,025,390.08
  5. Step 5: Solve for x
    x = 29,994,025,390.08/183,738.40
  6. Step 6: Final answer
    x = 163,243.10

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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.