Home / 208,474.50-312,709.20-50,703.12

Finding the Fourth Proportional to 208,474.50, 312,709.20 and 50,703.12

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Solution

The fourth proportional to 208,474.50, 312,709.20 and 50,703.12 is: 76,054.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,474.50 : 312,709.20 = 50,703.12 : x
  2. Step 2: Convert to fraction form
    208,474.50/312,709.20 = 50,703.12/x
  3. Step 3: Cross multiply
    208,474.50x = 312,709.20 × 50,703.12
  4. Step 4: Simplify right side
    208,474.50x = 15,855,332,092.70
  5. Step 5: Solve for x
    x = 15,855,332,092.70/208,474.50
  6. Step 6: Final answer
    x = 76,054.06

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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.