Home / 293,781.28-405,542.18-198,417.15

Finding the Fourth Proportional to 293,781.28, 405,542.18 and 198,417.15

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Solution

The fourth proportional to 293,781.28, 405,542.18 and 198,417.15 is: 273,899.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,781.28 : 405,542.18 = 198,417.15 : x
  2. Step 2: Convert to fraction form
    293,781.28/405,542.18 = 198,417.15/x
  3. Step 3: Cross multiply
    293,781.28x = 405,542.18 × 198,417.15
  4. Step 4: Simplify right side
    293,781.28x = 80,466,523,560.39
  5. Step 5: Solve for x
    x = 80,466,523,560.39/293,781.28
  6. Step 6: Final answer
    x = 273,899.42

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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.