Home / 188,251.09-259,788.43-102,210.86

Finding the Fourth Proportional to 188,251.09, 259,788.43 and 102,210.86

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Solution

The fourth proportional to 188,251.09, 259,788.43 and 102,210.86 is: 141,052.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,251.09 : 259,788.43 = 102,210.86 : x
  2. Step 2: Convert to fraction form
    188,251.09/259,788.43 = 102,210.86/x
  3. Step 3: Cross multiply
    188,251.09x = 259,788.43 × 102,210.86
  4. Step 4: Simplify right side
    188,251.09x = 26,553,199,625.58
  5. Step 5: Solve for x
    x = 26,553,199,625.58/188,251.09
  6. Step 6: Final answer
    x = 141,052.04

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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.