Home / 199,729.44-275,625.20-109,085.40

Finding the Fourth Proportional to 199,729.44, 275,625.20 and 109,085.40

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Solution

The fourth proportional to 199,729.44, 275,625.20 and 109,085.40 is: 150,537.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,729.44 : 275,625.20 = 109,085.40 : x
  2. Step 2: Convert to fraction form
    199,729.44/275,625.20 = 109,085.40/x
  3. Step 3: Cross multiply
    199,729.44x = 275,625.20 × 109,085.40
  4. Step 4: Simplify right side
    199,729.44x = 30,066,685,192.08
  5. Step 5: Solve for x
    x = 30,066,685,192.08/199,729.44
  6. Step 6: Final answer
    x = 150,537.07

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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.