Home / 216,928.27-299,932.49-189,993.67

Finding the Fourth Proportional to 216,928.27, 299,932.49 and 189,993.67

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Solution

The fourth proportional to 216,928.27, 299,932.49 and 189,993.67 is: 262,691.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,928.27 : 299,932.49 = 189,993.67 : x
  2. Step 2: Convert to fraction form
    216,928.27/299,932.49 = 189,993.67/x
  3. Step 3: Cross multiply
    216,928.27x = 299,932.49 × 189,993.67
  4. Step 4: Simplify right side
    216,928.27x = 56,985,274,527.34
  5. Step 5: Solve for x
    x = 56,985,274,527.34/216,928.27
  6. Step 6: Final answer
    x = 262,691.79

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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.