Home / 199,974.51-275,964.98-109,329.03

Finding the Fourth Proportional to 199,974.51, 275,964.98 and 109,329.03

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Solution

The fourth proportional to 199,974.51, 275,964.98 and 109,329.03 is: 150,874.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,974.51 : 275,964.98 = 109,329.03 : x
  2. Step 2: Convert to fraction form
    199,974.51/275,964.98 = 109,329.03/x
  3. Step 3: Cross multiply
    199,974.51x = 275,964.98 × 109,329.03
  4. Step 4: Simplify right side
    199,974.51x = 30,170,983,030.72
  5. Step 5: Solve for x
    x = 30,170,983,030.72/199,974.51
  6. Step 6: Final answer
    x = 150,874.14

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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.