Home / 361,176.08-498,408.36-200,021.54

Finding the Fourth Proportional to 361,176.08, 498,408.36 and 200,021.54

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Solution

The fourth proportional to 361,176.08, 498,408.36 and 200,021.54 is: 276,021.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,176.08 : 498,408.36 = 200,021.54 : x
  2. Step 2: Convert to fraction form
    361,176.08/498,408.36 = 200,021.54/x
  3. Step 3: Cross multiply
    361,176.08x = 498,408.36 × 200,021.54
  4. Step 4: Simplify right side
    361,176.08x = 99,692,407,716.07
  5. Step 5: Solve for x
    x = 99,692,407,716.07/361,176.08
  6. Step 6: Final answer
    x = 276,021.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.