Home / 216,414.72-324,611.04-76,174.40

Finding the Fourth Proportional to 216,414.72, 324,611.04 and 76,174.40

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Solution

The fourth proportional to 216,414.72, 324,611.04 and 76,174.40 is: 114,257.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,414.72 : 324,611.04 = 76,174.40 : x
  2. Step 2: Convert to fraction form
    216,414.72/324,611.04 = 76,174.40/x
  3. Step 3: Cross multiply
    216,414.72x = 324,611.04 × 76,174.40
  4. Step 4: Simplify right side
    216,414.72x = 24,727,051,205.38
  5. Step 5: Solve for x
    x = 24,727,051,205.38/216,414.72
  6. Step 6: Final answer
    x = 114,257.71

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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.