Home / 198,553.77-273,983.28-117,970.34

Finding the Fourth Proportional to 198,553.77, 273,983.28 and 117,970.34

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Solution

The fourth proportional to 198,553.77, 273,983.28 and 117,970.34 is: 162,786.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,553.77 : 273,983.28 = 117,970.34 : x
  2. Step 2: Convert to fraction form
    198,553.77/273,983.28 = 117,970.34/x
  3. Step 3: Cross multiply
    198,553.77x = 273,983.28 × 117,970.34
  4. Step 4: Simplify right side
    198,553.77x = 32,321,899,326.00
  5. Step 5: Solve for x
    x = 32,321,899,326.00/198,553.77
  6. Step 6: Final answer
    x = 162,786.63

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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.