Home / 188,014.08-259,388.64-120,033.60

Finding the Fourth Proportional to 188,014.08, 259,388.64 and 120,033.60

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Solution

The fourth proportional to 188,014.08, 259,388.64 and 120,033.60 is: 165,601.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,014.08 : 259,388.64 = 120,033.60 : x
  2. Step 2: Convert to fraction form
    188,014.08/259,388.64 = 120,033.60/x
  3. Step 3: Cross multiply
    188,014.08x = 259,388.64 × 120,033.60
  4. Step 4: Simplify right side
    188,014.08x = 31,135,352,258.30
  5. Step 5: Solve for x
    x = 31,135,352,258.30/188,014.08
  6. Step 6: Final answer
    x = 165,601.17

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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.