Home / 209,183.58-314,035.38-208,224.54

Finding the Fourth Proportional to 209,183.58, 314,035.38 and 208,224.54

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Solution

The fourth proportional to 209,183.58, 314,035.38 and 208,224.54 is: 312,595.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,183.58 : 314,035.38 = 208,224.54 : x
  2. Step 2: Convert to fraction form
    209,183.58/314,035.38 = 208,224.54/x
  3. Step 3: Cross multiply
    209,183.58x = 314,035.38 × 208,224.54
  4. Step 4: Simplify right side
    209,183.58x = 65,389,872,544.23
  5. Step 5: Solve for x
    x = 65,389,872,544.23/209,183.58
  6. Step 6: Final answer
    x = 312,595.63

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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.