Home / 188,140.90-259,625.28-107,577.22

Finding the Fourth Proportional to 188,140.90, 259,625.28 and 107,577.22

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Solution

The fourth proportional to 188,140.90, 259,625.28 and 107,577.22 is: 148,451.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,140.90 : 259,625.28 = 107,577.22 : x
  2. Step 2: Convert to fraction form
    188,140.90/259,625.28 = 107,577.22/x
  3. Step 3: Cross multiply
    188,140.90x = 259,625.28 × 107,577.22
  4. Step 4: Simplify right side
    188,140.90x = 27,929,765,864.12
  5. Step 5: Solve for x
    x = 27,929,765,864.12/188,140.90
  6. Step 6: Final answer
    x = 148,451.32

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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.