Home / 353,913.48-488,393.82-192,766.68

Finding the Fourth Proportional to 353,913.48, 488,393.82 and 192,766.68

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Solution

The fourth proportional to 353,913.48, 488,393.82 and 192,766.68 is: 266,014.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,913.48 : 488,393.82 = 192,766.68 : x
  2. Step 2: Convert to fraction form
    353,913.48/488,393.82 = 192,766.68/x
  3. Step 3: Cross multiply
    353,913.48x = 488,393.82 × 192,766.68
  4. Step 4: Simplify right side
    353,913.48x = 94,146,055,213.92
  5. Step 5: Solve for x
    x = 94,146,055,213.92/353,913.48
  6. Step 6: Final answer
    x = 266,014.32

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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.