Home / 353,924.21-488,426.69-192,784.43

Finding the Fourth Proportional to 353,924.21, 488,426.69 and 192,784.43

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Solution

The fourth proportional to 353,924.21, 488,426.69 and 192,784.43 is: 266,048.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,924.21 : 488,426.69 = 192,784.43 : x
  2. Step 2: Convert to fraction form
    353,924.21/488,426.69 = 192,784.43/x
  3. Step 3: Cross multiply
    353,924.21x = 488,426.69 × 192,784.43
  4. Step 4: Simplify right side
    353,924.21x = 94,161,061,028.44
  5. Step 5: Solve for x
    x = 94,161,061,028.44/353,924.21
  6. Step 6: Final answer
    x = 266,048.66

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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.