Home / 208,254.08-312,381.13-50,482.54

Finding the Fourth Proportional to 208,254.08, 312,381.13 and 50,482.54

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Solution

The fourth proportional to 208,254.08, 312,381.13 and 50,482.54 is: 75,723.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,254.08 : 312,381.13 = 50,482.54 : x
  2. Step 2: Convert to fraction form
    208,254.08/312,381.13 = 50,482.54/x
  3. Step 3: Cross multiply
    208,254.08x = 312,381.13 × 50,482.54
  4. Step 4: Simplify right side
    208,254.08x = 15,769,792,163.39
  5. Step 5: Solve for x
    x = 15,769,792,163.39/208,254.08
  6. Step 6: Final answer
    x = 75,723.81

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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.