Home / 188,258.24-259,799.55-103,383.20

Finding the Fourth Proportional to 188,258.24, 259,799.55 and 103,383.20

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Solution

The fourth proportional to 188,258.24, 259,799.55 and 103,383.20 is: 142,670.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,258.24 : 259,799.55 = 103,383.20 : x
  2. Step 2: Convert to fraction form
    188,258.24/259,799.55 = 103,383.20/x
  3. Step 3: Cross multiply
    188,258.24x = 259,799.55 × 103,383.20
  4. Step 4: Simplify right side
    188,258.24x = 26,858,908,968.47
  5. Step 5: Solve for x
    x = 26,858,908,968.47/188,258.24
  6. Step 6: Final answer
    x = 142,670.56

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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.