Home / 188,223.50-259,634.32-111,692.17

Finding the Fourth Proportional to 188,223.50, 259,634.32 and 111,692.17

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Solution

The fourth proportional to 188,223.50, 259,634.32 and 111,692.17 is: 154,067.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,223.50 : 259,634.32 = 111,692.17 : x
  2. Step 2: Convert to fraction form
    188,223.50/259,634.32 = 111,692.17/x
  3. Step 3: Cross multiply
    188,223.50x = 259,634.32 × 111,692.17
  4. Step 4: Simplify right side
    188,223.50x = 28,999,120,607.27
  5. Step 5: Solve for x
    x = 28,999,120,607.27/188,223.50
  6. Step 6: Final answer
    x = 154,067.48

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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.