Home / 324,751.95-487,183.82-111,509.73

Finding the Fourth Proportional to 324,751.95, 487,183.82 and 111,509.73

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Solution

The fourth proportional to 324,751.95, 487,183.82 and 111,509.73 is: 167,283.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,751.95 : 487,183.82 = 111,509.73 : x
  2. Step 2: Convert to fraction form
    324,751.95/487,183.82 = 111,509.73/x
  3. Step 3: Cross multiply
    324,751.95x = 487,183.82 × 111,509.73
  4. Step 4: Simplify right side
    324,751.95x = 54,325,735,671.02
  5. Step 5: Solve for x
    x = 54,325,735,671.02/324,751.95
  6. Step 6: Final answer
    x = 167,283.79

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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.