Home / 221,198.90-305,241.33-125,692.34

Finding the Fourth Proportional to 221,198.90, 305,241.33 and 125,692.34

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Solution

The fourth proportional to 221,198.90, 305,241.33 and 125,692.34 is: 173,447.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,198.90 : 305,241.33 = 125,692.34 : x
  2. Step 2: Convert to fraction form
    221,198.90/305,241.33 = 125,692.34/x
  3. Step 3: Cross multiply
    221,198.90x = 305,241.33 × 125,692.34
  4. Step 4: Simplify right side
    221,198.90x = 38,366,497,032.41
  5. Step 5: Solve for x
    x = 38,366,497,032.41/221,198.90
  6. Step 6: Final answer
    x = 173,447.96

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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.