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Finding the Fourth Proportional to 190,404.99, 285,778.80 and 101,734.29

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Solution

The fourth proportional to 190,404.99, 285,778.80 and 101,734.29 is: 152,692.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,404.99 : 285,778.80 = 101,734.29 : x
  2. Step 2: Convert to fraction form
    190,404.99/285,778.80 = 101,734.29/x
  3. Step 3: Cross multiply
    190,404.99x = 285,778.80 × 101,734.29
  4. Step 4: Simplify right side
    190,404.99x = 29,073,503,315.05
  5. Step 5: Solve for x
    x = 29,073,503,315.05/190,404.99
  6. Step 6: Final answer
    x = 152,692.97

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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.