Home / 197,519.52-272,566.48-108,078.24

Finding the Fourth Proportional to 197,519.52, 272,566.48 and 108,078.24

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Solution

The fourth proportional to 197,519.52, 272,566.48 and 108,078.24 is: 149,142.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,519.52 : 272,566.48 = 108,078.24 : x
  2. Step 2: Convert to fraction form
    197,519.52/272,566.48 = 108,078.24/x
  3. Step 3: Cross multiply
    197,519.52x = 272,566.48 × 108,078.24
  4. Step 4: Simplify right side
    197,519.52x = 29,458,505,441.40
  5. Step 5: Solve for x
    x = 29,458,505,441.40/197,519.52
  6. Step 6: Final answer
    x = 149,142.25

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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.