Home / 389,338.58-584,004.18-123,099.14

Finding the Fourth Proportional to 389,338.58, 584,004.18 and 123,099.14

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Solution

The fourth proportional to 389,338.58, 584,004.18 and 123,099.14 is: 184,647.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,338.58 : 584,004.18 = 123,099.14 : x
  2. Step 2: Convert to fraction form
    389,338.58/584,004.18 = 123,099.14/x
  3. Step 3: Cross multiply
    389,338.58x = 584,004.18 × 123,099.14
  4. Step 4: Simplify right side
    389,338.58x = 71,890,412,314.41
  5. Step 5: Solve for x
    x = 71,890,412,314.41/389,338.58
  6. Step 6: Final answer
    x = 184,647.54

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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.