Home / 201,933.16-278,669.66-111,292.44

Finding the Fourth Proportional to 201,933.16, 278,669.66 and 111,292.44

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Solution

The fourth proportional to 201,933.16, 278,669.66 and 111,292.44 is: 153,584.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,933.16 : 278,669.66 = 111,292.44 : x
  2. Step 2: Convert to fraction form
    201,933.16/278,669.66 = 111,292.44/x
  3. Step 3: Cross multiply
    201,933.16x = 278,669.66 × 111,292.44
  4. Step 4: Simplify right side
    201,933.16x = 31,013,826,415.37
  5. Step 5: Solve for x
    x = 31,013,826,415.37/201,933.16
  6. Step 6: Final answer
    x = 153,584.61

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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.