Home / 202,811.41-279,904.07-117,928.46

Finding the Fourth Proportional to 202,811.41, 279,904.07 and 117,928.46

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Solution

The fourth proportional to 202,811.41, 279,904.07 and 117,928.46 is: 162,755.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,811.41 : 279,904.07 = 117,928.46 : x
  2. Step 2: Convert to fraction form
    202,811.41/279,904.07 = 117,928.46/x
  3. Step 3: Cross multiply
    202,811.41x = 279,904.07 × 117,928.46
  4. Step 4: Simplify right side
    202,811.41x = 33,008,655,922.83
  5. Step 5: Solve for x
    x = 33,008,655,922.83/202,811.41
  6. Step 6: Final answer
    x = 162,755.42

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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.