Home / 286,068.52-394,904.46-195,571

Finding the Fourth Proportional to 286,068.52, 394,904.46 and 195,571

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Solution

The fourth proportional to 286,068.52, 394,904.46 and 195,571 is: 269,976.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,068.52 : 394,904.46 = 195,571 : x
  2. Step 2: Convert to fraction form
    286,068.52/394,904.46 = 195,571/x
  3. Step 3: Cross multiply
    286,068.52x = 394,904.46 × 195,571
  4. Step 4: Simplify right side
    286,068.52x = 77,231,860,146.66
  5. Step 5: Solve for x
    x = 77,231,860,146.66/286,068.52
  6. Step 6: Final answer
    x = 269,976.79

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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.