Home / 355,519.03-490,616.27-194,374.09

Finding the Fourth Proportional to 355,519.03, 490,616.27 and 194,374.09

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Solution

The fourth proportional to 355,519.03, 490,616.27 and 194,374.09 is: 268,236.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,519.03 : 490,616.27 = 194,374.09 : x
  2. Step 2: Convert to fraction form
    355,519.03/490,616.27 = 194,374.09/x
  3. Step 3: Cross multiply
    355,519.03x = 490,616.27 × 194,374.09
  4. Step 4: Simplify right side
    355,519.03x = 95,363,091,020.44
  5. Step 5: Solve for x
    x = 95,363,091,020.44/355,519.03
  6. Step 6: Final answer
    x = 268,236.25

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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.