Home / 168,211.31-251,907.09-111,250.51

Finding the Fourth Proportional to 168,211.31, 251,907.09 and 111,250.51

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Solution

The fourth proportional to 168,211.31, 251,907.09 and 111,250.51 is: 166,604.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,211.31 : 251,907.09 = 111,250.51 : x
  2. Step 2: Convert to fraction form
    168,211.31/251,907.09 = 111,250.51/x
  3. Step 3: Cross multiply
    168,211.31x = 251,907.09 × 111,250.51
  4. Step 4: Simplify right side
    168,211.31x = 28,024,792,586.76
  5. Step 5: Solve for x
    x = 28,024,792,586.76/168,211.31
  6. Step 6: Final answer
    x = 166,604.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.