Home / 197,105.40-295,658.10-122,698.80

Finding the Fourth Proportional to 197,105.40, 295,658.10 and 122,698.80

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Solution

The fourth proportional to 197,105.40, 295,658.10 and 122,698.80 is: 184,048.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,105.40 : 295,658.10 = 122,698.80 : x
  2. Step 2: Convert to fraction form
    197,105.40/295,658.10 = 122,698.80/x
  3. Step 3: Cross multiply
    197,105.40x = 295,658.10 × 122,698.80
  4. Step 4: Simplify right side
    197,105.40x = 36,276,894,080.28
  5. Step 5: Solve for x
    x = 36,276,894,080.28/197,105.40
  6. Step 6: Final answer
    x = 184,048.20

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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.