Home / 199,820.46-275,749.02-109,174.49

Finding the Fourth Proportional to 199,820.46, 275,749.02 and 109,174.49

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Solution

The fourth proportional to 199,820.46, 275,749.02 and 109,174.49 is: 150,659.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,820.46 : 275,749.02 = 109,174.49 : x
  2. Step 2: Convert to fraction form
    199,820.46/275,749.02 = 109,174.49/x
  3. Step 3: Cross multiply
    199,820.46x = 275,749.02 × 109,174.49
  4. Step 4: Simplify right side
    199,820.46x = 30,104,757,247.75
  5. Step 5: Solve for x
    x = 30,104,757,247.75/199,820.46
  6. Step 6: Final answer
    x = 150,659.03

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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.