Home / 199,660.05-275,542.04-109,024.45

Finding the Fourth Proportional to 199,660.05, 275,542.04 and 109,024.45

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Solution

The fourth proportional to 199,660.05, 275,542.04 and 109,024.45 is: 150,459.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,660.05 : 275,542.04 = 109,024.45 : x
  2. Step 2: Convert to fraction form
    199,660.05/275,542.04 = 109,024.45/x
  3. Step 3: Cross multiply
    199,660.05x = 275,542.04 × 109,024.45
  4. Step 4: Simplify right side
    199,660.05x = 30,040,819,362.88
  5. Step 5: Solve for x
    x = 30,040,819,362.88/199,660.05
  6. Step 6: Final answer
    x = 150,459.84

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1.5x scale

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.