Home / 188,297.17-259,849.09-102,255.40

Finding the Fourth Proportional to 188,297.17, 259,849.09 and 102,255.40

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Solution

The fourth proportional to 188,297.17, 259,849.09 and 102,255.40 is: 141,111.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,297.17 : 259,849.09 = 102,255.40 : x
  2. Step 2: Convert to fraction form
    188,297.17/259,849.09 = 102,255.40/x
  3. Step 3: Cross multiply
    188,297.17x = 259,849.09 × 102,255.40
  4. Step 4: Simplify right side
    188,297.17x = 26,570,972,637.59
  5. Step 5: Solve for x
    x = 26,570,972,637.59/188,297.17
  6. Step 6: Final answer
    x = 141,111.91

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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.