Home / 190,781.58-263,225.22-119,234.28

Finding the Fourth Proportional to 190,781.58, 263,225.22 and 119,234.28

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Solution

The fourth proportional to 190,781.58, 263,225.22 and 119,234.28 is: 164,509.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,781.58 : 263,225.22 = 119,234.28 : x
  2. Step 2: Convert to fraction form
    190,781.58/263,225.22 = 119,234.28/x
  3. Step 3: Cross multiply
    190,781.58x = 263,225.22 × 119,234.28
  4. Step 4: Simplify right side
    190,781.58x = 31,385,469,584.54
  5. Step 5: Solve for x
    x = 31,385,469,584.54/190,781.58
  6. Step 6: Final answer
    x = 164,509.96

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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.