Home / 190,524.21-285,786.38-70,622.39

Finding the Fourth Proportional to 190,524.21, 285,786.38 and 70,622.39

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Solution

The fourth proportional to 190,524.21, 285,786.38 and 70,622.39 is: 105,933.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,524.21 : 285,786.38 = 70,622.39 : x
  2. Step 2: Convert to fraction form
    190,524.21/285,786.38 = 70,622.39/x
  3. Step 3: Cross multiply
    190,524.21x = 285,786.38 × 70,622.39
  4. Step 4: Simplify right side
    190,524.21x = 20,182,917,185.05
  5. Step 5: Solve for x
    x = 20,182,917,185.05/190,524.21
  6. Step 6: Final answer
    x = 105,933.61

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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.