Home / 368,213.12-552,313.92-118,914.56

Finding the Fourth Proportional to 368,213.12, 552,313.92 and 118,914.56

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Solution

The fourth proportional to 368,213.12, 552,313.92 and 118,914.56 is: 178,369.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,213.12 : 552,313.92 = 118,914.56 : x
  2. Step 2: Convert to fraction form
    368,213.12/552,313.92 = 118,914.56/x
  3. Step 3: Cross multiply
    368,213.12x = 552,313.92 × 118,914.56
  4. Step 4: Simplify right side
    368,213.12x = 65,678,166,778.68
  5. Step 5: Solve for x
    x = 65,678,166,778.68/368,213.12
  6. Step 6: Final answer
    x = 178,369.98

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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.