Home / 190,906.78-263,435.99-110,339.52

Finding the Fourth Proportional to 190,906.78, 263,435.99 and 110,339.52

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Solution

The fourth proportional to 190,906.78, 263,435.99 and 110,339.52 is: 152,259.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,906.78 : 263,435.99 = 110,339.52 : x
  2. Step 2: Convert to fraction form
    190,906.78/263,435.99 = 110,339.52/x
  3. Step 3: Cross multiply
    190,906.78x = 263,435.99 × 110,339.52
  4. Step 4: Simplify right side
    190,906.78x = 29,067,400,687.32
  5. Step 5: Solve for x
    x = 29,067,400,687.32/190,906.78
  6. Step 6: Final answer
    x = 152,259.66

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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.