Home / 205,616.37-307,571.61-193,019.25

Finding the Fourth Proportional to 205,616.37, 307,571.61 and 193,019.25

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Solution

The fourth proportional to 205,616.37, 307,571.61 and 193,019.25 is: 288,728.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,616.37 : 307,571.61 = 193,019.25 : x
  2. Step 2: Convert to fraction form
    205,616.37/307,571.61 = 193,019.25/x
  3. Step 3: Cross multiply
    205,616.37x = 307,571.61 × 193,019.25
  4. Step 4: Simplify right side
    205,616.37x = 59,367,241,483.49
  5. Step 5: Solve for x
    x = 59,367,241,483.49/205,616.37
  6. Step 6: Final answer
    x = 288,728.19

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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.