Home / 353,187.20-487,391.44-192,040.84

Finding the Fourth Proportional to 353,187.20, 487,391.44 and 192,040.84

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Solution

The fourth proportional to 353,187.20, 487,391.44 and 192,040.84 is: 265,012.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,187.20 : 487,391.44 = 192,040.84 : x
  2. Step 2: Convert to fraction form
    353,187.20/487,391.44 = 192,040.84/x
  3. Step 3: Cross multiply
    353,187.20x = 487,391.44 × 192,040.84
  4. Step 4: Simplify right side
    353,187.20x = 93,599,061,546.41
  5. Step 5: Solve for x
    x = 93,599,061,546.41/353,187.20
  6. Step 6: Final answer
    x = 265,012.61

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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.