Home / 199,122.51-298,504.41-72,674.03

Finding the Fourth Proportional to 199,122.51, 298,504.41 and 72,674.03

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Solution

The fourth proportional to 199,122.51, 298,504.41 and 72,674.03 is: 108,945.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,122.51 : 298,504.41 = 72,674.03 : x
  2. Step 2: Convert to fraction form
    199,122.51/298,504.41 = 72,674.03/x
  3. Step 3: Cross multiply
    199,122.51x = 298,504.41 × 72,674.03
  4. Step 4: Simplify right side
    199,122.51x = 21,693,516,954.95
  5. Step 5: Solve for x
    x = 21,693,516,954.95/199,122.51
  6. Step 6: Final answer
    x = 108,945.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.