Home / 197,599.20-272,739.60-122,105.04

Finding the Fourth Proportional to 197,599.20, 272,739.60 and 122,105.04

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Solution

The fourth proportional to 197,599.20, 272,739.60 and 122,105.04 is: 168,537.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,599.20 : 272,739.60 = 122,105.04 : x
  2. Step 2: Convert to fraction form
    197,599.20/272,739.60 = 122,105.04/x
  3. Step 3: Cross multiply
    197,599.20x = 272,739.60 × 122,105.04
  4. Step 4: Simplify right side
    197,599.20x = 33,302,879,767.58
  5. Step 5: Solve for x
    x = 33,302,879,767.58/197,599.20
  6. Step 6: Final answer
    x = 168,537.52

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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.