Home / 285,946.64-394,708.52-195,237.52

Finding the Fourth Proportional to 285,946.64, 394,708.52 and 195,237.52

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Solution

The fourth proportional to 285,946.64, 394,708.52 and 195,237.52 is: 269,497.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,946.64 : 394,708.52 = 195,237.52 : x
  2. Step 2: Convert to fraction form
    285,946.64/394,708.52 = 195,237.52/x
  3. Step 3: Cross multiply
    285,946.64x = 394,708.52 × 195,237.52
  4. Step 4: Simplify right side
    285,946.64x = 77,061,912,567.67
  5. Step 5: Solve for x
    x = 77,061,912,567.67/285,946.64
  6. Step 6: Final answer
    x = 269,497.53

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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.