Home / 102,926.20-154,274.10-43,751.80

Finding the Fourth Proportional to 102,926.20, 154,274.10 and 43,751.80

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Solution

The fourth proportional to 102,926.20, 154,274.10 and 43,751.80 is: 65,578.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,926.20 : 154,274.10 = 43,751.80 : x
  2. Step 2: Convert to fraction form
    102,926.20/154,274.10 = 43,751.80/x
  3. Step 3: Cross multiply
    102,926.20x = 154,274.10 × 43,751.80
  4. Step 4: Simplify right side
    102,926.20x = 6,749,769,568.38
  5. Step 5: Solve for x
    x = 6,749,769,568.38/102,926.20
  6. Step 6: Final answer
    x = 65,578.73

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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.