Home / 208,247.91-312,369.09-50,477.73

Finding the Fourth Proportional to 208,247.91, 312,369.09 and 50,477.73

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Solution

The fourth proportional to 208,247.91, 312,369.09 and 50,477.73 is: 75,715.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,247.91 : 312,369.09 = 50,477.73 : x
  2. Step 2: Convert to fraction form
    208,247.91/312,369.09 = 50,477.73/x
  3. Step 3: Cross multiply
    208,247.91x = 312,369.09 × 50,477.73
  4. Step 4: Simplify right side
    208,247.91x = 15,767,682,585.37
  5. Step 5: Solve for x
    x = 15,767,682,585.37/208,247.91
  6. Step 6: Final answer
    x = 75,715.92

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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.