Home / 353,218.58-487,450.88-192,083.05

Finding the Fourth Proportional to 353,218.58, 487,450.88 and 192,083.05

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Solution

The fourth proportional to 353,218.58, 487,450.88 and 192,083.05 is: 265,079.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,218.58 : 487,450.88 = 192,083.05 : x
  2. Step 2: Convert to fraction form
    353,218.58/487,450.88 = 192,083.05/x
  3. Step 3: Cross multiply
    353,218.58x = 487,450.88 × 192,083.05
  4. Step 4: Simplify right side
    353,218.58x = 93,631,051,755.58
  5. Step 5: Solve for x
    x = 93,631,051,755.58/353,218.58
  6. Step 6: Final answer
    x = 265,079.63

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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.