Home / 194,578.83-268,519.10-108,543.39

Finding the Fourth Proportional to 194,578.83, 268,519.10 and 108,543.39

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Solution

The fourth proportional to 194,578.83, 268,519.10 and 108,543.39 is: 149,790.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,578.83 : 268,519.10 = 108,543.39 : x
  2. Step 2: Convert to fraction form
    194,578.83/268,519.10 = 108,543.39/x
  3. Step 3: Cross multiply
    194,578.83x = 268,519.10 × 108,543.39
  4. Step 4: Simplify right side
    194,578.83x = 29,145,973,965.06
  5. Step 5: Solve for x
    x = 29,145,973,965.06/194,578.83
  6. Step 6: Final answer
    x = 149,790.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.