Home / 199,052.20-298,175.10-123,941.80

Finding the Fourth Proportional to 199,052.20, 298,175.10 and 123,941.80

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Solution

The fourth proportional to 199,052.20, 298,175.10 and 123,941.80 is: 185,661.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,052.20 : 298,175.10 = 123,941.80 : x
  2. Step 2: Convert to fraction form
    199,052.20/298,175.10 = 123,941.80/x
  3. Step 3: Cross multiply
    199,052.20x = 298,175.10 × 123,941.80
  4. Step 4: Simplify right side
    199,052.20x = 36,956,358,609.18
  5. Step 5: Solve for x
    x = 36,956,358,609.18/199,052.20
  6. Step 6: Final answer
    x = 185,661.64

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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.