Home / 353,315.70-487,561.62-192,170.52

Finding the Fourth Proportional to 353,315.70, 487,561.62 and 192,170.52

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Solution

The fourth proportional to 353,315.70, 487,561.62 and 192,170.52 is: 265,187.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,315.70 : 487,561.62 = 192,170.52 : x
  2. Step 2: Convert to fraction form
    353,315.70/487,561.62 = 192,170.52/x
  3. Step 3: Cross multiply
    353,315.70x = 487,561.62 × 192,170.52
  4. Step 4: Simplify right side
    353,315.70x = 93,694,970,047.44
  5. Step 5: Solve for x
    x = 93,694,970,047.44/353,315.70
  6. Step 6: Final answer
    x = 265,187.68

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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.