Home / 356,198.12-491,555.96-195,068.04

Finding the Fourth Proportional to 356,198.12, 491,555.96 and 195,068.04

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Solution

The fourth proportional to 356,198.12, 491,555.96 and 195,068.04 is: 269,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,198.12 : 491,555.96 = 195,068.04 : x
  2. Step 2: Convert to fraction form
    356,198.12/491,555.96 = 195,068.04/x
  3. Step 3: Cross multiply
    356,198.12x = 491,555.96 × 195,068.04
  4. Step 4: Simplify right side
    356,198.12x = 95,886,857,667.52
  5. Step 5: Solve for x
    x = 95,886,857,667.52/356,198.12
  6. Step 6: Final answer
    x = 269,195.29

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1.5x scale

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.