Home / 353,121.44-487,317.20-191,987.33

Finding the Fourth Proportional to 353,121.44, 487,317.20 and 191,987.33

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Solution

The fourth proportional to 353,121.44, 487,317.20 and 191,987.33 is: 264,947.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,121.44 : 487,317.20 = 191,987.33 : x
  2. Step 2: Convert to fraction form
    353,121.44/487,317.20 = 191,987.33/x
  3. Step 3: Cross multiply
    353,121.44x = 487,317.20 × 191,987.33
  4. Step 4: Simplify right side
    353,121.44x = 93,558,724,694.55
  5. Step 5: Solve for x
    x = 93,558,724,694.55/353,121.44
  6. Step 6: Final answer
    x = 264,947.74

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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.