Home / 188,138.25-259,630.96-107,567.46

Finding the Fourth Proportional to 188,138.25, 259,630.96 and 107,567.46

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Solution

The fourth proportional to 188,138.25, 259,630.96 and 107,567.46 is: 148,443.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,138.25 : 259,630.96 = 107,567.46 : x
  2. Step 2: Convert to fraction form
    188,138.25/259,630.96 = 107,567.46/x
  3. Step 3: Cross multiply
    188,138.25x = 259,630.96 × 107,567.46
  4. Step 4: Simplify right side
    188,138.25x = 27,927,842,635.64
  5. Step 5: Solve for x
    x = 27,927,842,635.64/188,138.25
  6. Step 6: Final answer
    x = 148,443.19

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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.