Home / 196,745.77-271,509.20-111,868.03

Finding the Fourth Proportional to 196,745.77, 271,509.20 and 111,868.03

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Solution

The fourth proportional to 196,745.77, 271,509.20 and 111,868.03 is: 154,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,745.77 : 271,509.20 = 111,868.03 : x
  2. Step 2: Convert to fraction form
    196,745.77/271,509.20 = 111,868.03/x
  3. Step 3: Cross multiply
    196,745.77x = 271,509.20 × 111,868.03
  4. Step 4: Simplify right side
    196,745.77x = 30,373,199,330.88
  5. Step 5: Solve for x
    x = 30,373,199,330.88/196,745.77
  6. Step 6: Final answer
    x = 154,377.90

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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.