Home / 445,578.48-668,542.74-196,085.52

Finding the Fourth Proportional to 445,578.48, 668,542.74 and 196,085.52

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Solution

The fourth proportional to 445,578.48, 668,542.74 and 196,085.52 is: 294,205.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,578.48 : 668,542.74 = 196,085.52 : x
  2. Step 2: Convert to fraction form
    445,578.48/668,542.74 = 196,085.52/x
  3. Step 3: Cross multiply
    445,578.48x = 668,542.74 × 196,085.52
  4. Step 4: Simplify right side
    445,578.48x = 131,091,550,815.13
  5. Step 5: Solve for x
    x = 131,091,550,815.13/445,578.48
  6. Step 6: Final answer
    x = 294,205.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.