Home / 349,236.72-523,951.76-139,022.24

Finding the Fourth Proportional to 349,236.72, 523,951.76 and 139,022.24

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Solution

The fourth proportional to 349,236.72, 523,951.76 and 139,022.24 is: 208,571.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,236.72 : 523,951.76 = 139,022.24 : x
  2. Step 2: Convert to fraction form
    349,236.72/523,951.76 = 139,022.24/x
  3. Step 3: Cross multiply
    349,236.72x = 523,951.76 × 139,022.24
  4. Step 4: Simplify right side
    349,236.72x = 72,840,947,327.14
  5. Step 5: Solve for x
    x = 72,840,947,327.14/349,236.72
  6. Step 6: Final answer
    x = 208,571.85

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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.