Home / 208,550.24-312,783.84-123,193.25

Finding the Fourth Proportional to 208,550.24, 312,783.84 and 123,193.25

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Solution

The fourth proportional to 208,550.24, 312,783.84 and 123,193.25 is: 184,765.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,550.24 : 312,783.84 = 123,193.25 : x
  2. Step 2: Convert to fraction form
    208,550.24/312,783.84 = 123,193.25/x
  3. Step 3: Cross multiply
    208,550.24x = 312,783.84 × 123,193.25
  4. Step 4: Simplify right side
    208,550.24x = 38,532,856,233.16
  5. Step 5: Solve for x
    x = 38,532,856,233.16/208,550.24
  6. Step 6: Final answer
    x = 184,765.35

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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.