Home / 221,418.75-305,556.24-125,925.33

Finding the Fourth Proportional to 221,418.75, 305,556.24 and 125,925.33

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Solution

The fourth proportional to 221,418.75, 305,556.24 and 125,925.33 is: 173,776.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,418.75 : 305,556.24 = 125,925.33 : x
  2. Step 2: Convert to fraction form
    221,418.75/305,556.24 = 125,925.33/x
  3. Step 3: Cross multiply
    221,418.75x = 305,556.24 × 125,925.33
  4. Step 4: Simplify right side
    221,418.75x = 38,477,270,355.56
  5. Step 5: Solve for x
    x = 38,477,270,355.56/221,418.75
  6. Step 6: Final answer
    x = 173,776.03

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1.5x scale

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.