Home / 188,137.60-259,630.06-107,566.82

Finding the Fourth Proportional to 188,137.60, 259,630.06 and 107,566.82

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Solution

The fourth proportional to 188,137.60, 259,630.06 and 107,566.82 is: 148,442.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,137.60 : 259,630.06 = 107,566.82 : x
  2. Step 2: Convert to fraction form
    188,137.60/259,630.06 = 107,566.82/x
  3. Step 3: Cross multiply
    188,137.60x = 259,630.06 × 107,566.82
  4. Step 4: Simplify right side
    188,137.60x = 27,927,579,930.61
  5. Step 5: Solve for x
    x = 27,927,579,930.61/188,137.60
  6. Step 6: Final answer
    x = 148,442.31

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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.