Home / 293,782.28-405,543.56-198,418.15

Finding the Fourth Proportional to 293,782.28, 405,543.56 and 198,418.15

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Solution

The fourth proportional to 293,782.28, 405,543.56 and 198,418.15 is: 273,900.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,782.28 : 405,543.56 = 198,418.15 : x
  2. Step 2: Convert to fraction form
    293,782.28/405,543.56 = 198,418.15/x
  3. Step 3: Cross multiply
    293,782.28x = 405,543.56 × 198,418.15
  4. Step 4: Simplify right side
    293,782.28x = 80,467,202,919.61
  5. Step 5: Solve for x
    x = 80,467,202,919.61/293,782.28
  6. Step 6: Final answer
    x = 273,900.80

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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.