Home / 208,441.28-312,659.62-50,669.89

Finding the Fourth Proportional to 208,441.28, 312,659.62 and 50,669.89

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Solution

The fourth proportional to 208,441.28, 312,659.62 and 50,669.89 is: 76,004.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,441.28 : 312,659.62 = 50,669.89 : x
  2. Step 2: Convert to fraction form
    208,441.28/312,659.62 = 50,669.89/x
  3. Step 3: Cross multiply
    208,441.28x = 312,659.62 × 50,669.89
  4. Step 4: Simplify right side
    208,441.28x = 15,842,427,644.52
  5. Step 5: Solve for x
    x = 15,842,427,644.52/208,441.28
  6. Step 6: Final answer
    x = 76,004.27

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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.