Home / 200,860.75-277,187.84-111,436.75

Finding the Fourth Proportional to 200,860.75, 277,187.84 and 111,436.75

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Solution

The fourth proportional to 200,860.75, 277,187.84 and 111,436.75 is: 153,782.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,860.75 : 277,187.84 = 111,436.75 : x
  2. Step 2: Convert to fraction form
    200,860.75/277,187.84 = 111,436.75/x
  3. Step 3: Cross multiply
    200,860.75x = 277,187.84 × 111,436.75
  4. Step 4: Simplify right side
    200,860.75x = 30,888,912,029.12
  5. Step 5: Solve for x
    x = 30,888,912,029.12/200,860.75
  6. Step 6: Final answer
    x = 153,782.72

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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.