Home / 197,449.12-272,486.04-108,025.12

Finding the Fourth Proportional to 197,449.12, 272,486.04 and 108,025.12

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Solution

The fourth proportional to 197,449.12, 272,486.04 and 108,025.12 is: 149,078.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,449.12 : 272,486.04 = 108,025.12 : x
  2. Step 2: Convert to fraction form
    197,449.12/272,486.04 = 108,025.12/x
  3. Step 3: Cross multiply
    197,449.12x = 272,486.04 × 108,025.12
  4. Step 4: Simplify right side
    197,449.12x = 29,435,337,169.32
  5. Step 5: Solve for x
    x = 29,435,337,169.32/197,449.12
  6. Step 6: Final answer
    x = 149,078.09

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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.