Home / 181,625.22-272,435.09-81,714.86

Finding the Fourth Proportional to 181,625.22, 272,435.09 and 81,714.86

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Solution

The fourth proportional to 181,625.22, 272,435.09 and 81,714.86 is: 122,571.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,625.22 : 272,435.09 = 81,714.86 : x
  2. Step 2: Convert to fraction form
    181,625.22/272,435.09 = 81,714.86/x
  3. Step 3: Cross multiply
    181,625.22x = 272,435.09 × 81,714.86
  4. Step 4: Simplify right side
    181,625.22x = 22,261,994,948.97
  5. Step 5: Solve for x
    x = 22,261,994,948.97/181,625.22
  6. Step 6: Final answer
    x = 122,571.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.