Home / 353,190.69-487,403.73-192,045.60

Finding the Fourth Proportional to 353,190.69, 487,403.73 and 192,045.60

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Solution

The fourth proportional to 353,190.69, 487,403.73 and 192,045.60 is: 265,023.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,190.69 : 487,403.73 = 192,045.60 : x
  2. Step 2: Convert to fraction form
    353,190.69/487,403.73 = 192,045.60/x
  3. Step 3: Cross multiply
    353,190.69x = 487,403.73 × 192,045.60
  4. Step 4: Simplify right side
    353,190.69x = 93,603,741,770.09
  5. Step 5: Solve for x
    x = 93,603,741,770.09/353,190.69
  6. Step 6: Final answer
    x = 265,023.24

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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.