Home / 356,836.70-492,389.37-195,649.32

Finding the Fourth Proportional to 356,836.70, 492,389.37 and 195,649.32

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Solution

The fourth proportional to 356,836.70, 492,389.37 and 195,649.32 is: 269,971.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,836.70 : 492,389.37 = 195,649.32 : x
  2. Step 2: Convert to fraction form
    356,836.70/492,389.37 = 195,649.32/x
  3. Step 3: Cross multiply
    356,836.70x = 492,389.37 × 195,649.32
  4. Step 4: Simplify right side
    356,836.70x = 96,335,645,415.73
  5. Step 5: Solve for x
    x = 96,335,645,415.73/356,836.70
  6. Step 6: Final answer
    x = 269,971.24

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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.