Home / 188,127.87-259,607.38-107,564.25

Finding the Fourth Proportional to 188,127.87, 259,607.38 and 107,564.25

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Solution

The fourth proportional to 188,127.87, 259,607.38 and 107,564.25 is: 148,433.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,127.87 : 259,607.38 = 107,564.25 : x
  2. Step 2: Convert to fraction form
    188,127.87/259,607.38 = 107,564.25/x
  3. Step 3: Cross multiply
    188,127.87x = 259,607.38 × 107,564.25
  4. Step 4: Simplify right side
    188,127.87x = 27,924,474,030.47
  5. Step 5: Solve for x
    x = 27,924,474,030.47/188,127.87
  6. Step 6: Final answer
    x = 148,433.48

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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.