Home / 133,015.41-199,556.54-38,245.77

Finding the Fourth Proportional to 133,015.41, 199,556.54 and 38,245.77

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Solution

The fourth proportional to 133,015.41, 199,556.54 and 38,245.77 is: 57,378.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,015.41 : 199,556.54 = 38,245.77 : x
  2. Step 2: Convert to fraction form
    133,015.41/199,556.54 = 38,245.77/x
  3. Step 3: Cross multiply
    133,015.41x = 199,556.54 × 38,245.77
  4. Step 4: Simplify right side
    133,015.41x = 7,632,193,530.84
  5. Step 5: Solve for x
    x = 7,632,193,530.84/133,015.41
  6. Step 6: Final answer
    x = 57,378.27

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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.