Home / 199,818.14-275,745.78-109,172.16

Finding the Fourth Proportional to 199,818.14, 275,745.78 and 109,172.16

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Solution

The fourth proportional to 199,818.14, 275,745.78 and 109,172.16 is: 150,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,818.14 : 275,745.78 = 109,172.16 : x
  2. Step 2: Convert to fraction form
    199,818.14/275,745.78 = 109,172.16/x
  3. Step 3: Cross multiply
    199,818.14x = 275,745.78 × 109,172.16
  4. Step 4: Simplify right side
    199,818.14x = 30,103,762,179.24
  5. Step 5: Solve for x
    x = 30,103,762,179.24/199,818.14
  6. Step 6: Final answer
    x = 150,655.80

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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.