Home / 293,776.38-405,535.41-198,412.20

Finding the Fourth Proportional to 293,776.38, 405,535.41 and 198,412.20

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Solution

The fourth proportional to 293,776.38, 405,535.41 and 198,412.20 is: 273,892.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,776.38 : 405,535.41 = 198,412.20 : x
  2. Step 2: Convert to fraction form
    293,776.38/405,535.41 = 198,412.20/x
  3. Step 3: Cross multiply
    293,776.38x = 405,535.41 × 198,412.20
  4. Step 4: Simplify right side
    293,776.38x = 80,463,172,876.00
  5. Step 5: Solve for x
    x = 80,463,172,876.00/293,776.38
  6. Step 6: Final answer
    x = 273,892.59

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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.