Home / 188,185.42-259,653-111,664.99

Finding the Fourth Proportional to 188,185.42, 259,653 and 111,664.99

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Solution

The fourth proportional to 188,185.42, 259,653 and 111,664.99 is: 154,072.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,185.42 : 259,653 = 111,664.99 : x
  2. Step 2: Convert to fraction form
    188,185.42/259,653 = 111,664.99/x
  3. Step 3: Cross multiply
    188,185.42x = 259,653 × 111,664.99
  4. Step 4: Simplify right side
    188,185.42x = 28,994,149,648.47
  5. Step 5: Solve for x
    x = 28,994,149,648.47/188,185.42
  6. Step 6: Final answer
    x = 154,072.24

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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.