Home / 220,077.66-329,578.10-198,778.23

Finding the Fourth Proportional to 220,077.66, 329,578.10 and 198,778.23

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Solution

The fourth proportional to 220,077.66, 329,578.10 and 198,778.23 is: 297,681.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,077.66 : 329,578.10 = 198,778.23 : x
  2. Step 2: Convert to fraction form
    220,077.66/329,578.10 = 198,778.23/x
  3. Step 3: Cross multiply
    220,077.66x = 329,578.10 × 198,778.23
  4. Step 4: Simplify right side
    220,077.66x = 65,512,950,370.87
  5. Step 5: Solve for x
    x = 65,512,950,370.87/220,077.66
  6. Step 6: Final answer
    x = 297,681.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.