Home / 197,105.40-295,658.10-126,246.60

Finding the Fourth Proportional to 197,105.40, 295,658.10 and 126,246.60

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Solution

The fourth proportional to 197,105.40, 295,658.10 and 126,246.60 is: 189,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,105.40 : 295,658.10 = 126,246.60 : x
  2. Step 2: Convert to fraction form
    197,105.40/295,658.10 = 126,246.60/x
  3. Step 3: Cross multiply
    197,105.40x = 295,658.10 × 126,246.60
  4. Step 4: Simplify right side
    197,105.40x = 37,325,829,887.46
  5. Step 5: Solve for x
    x = 37,325,829,887.46/197,105.40
  6. Step 6: Final answer
    x = 189,369.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.