Home / 199,556.35-275,616.85-145,350.01

Finding the Fourth Proportional to 199,556.35, 275,616.85 and 145,350.01

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Solution

The fourth proportional to 199,556.35, 275,616.85 and 145,350.01 is: 200,749.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,556.35 : 275,616.85 = 145,350.01 : x
  2. Step 2: Convert to fraction form
    199,556.35/275,616.85 = 145,350.01/x
  3. Step 3: Cross multiply
    199,556.35x = 275,616.85 × 145,350.01
  4. Step 4: Simplify right side
    199,556.35x = 40,060,912,227.73
  5. Step 5: Solve for x
    x = 40,060,912,227.73/199,556.35
  6. Step 6: Final answer
    x = 200,749.88

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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.