Home / 181,845.32-272,767.44-81,888.48

Finding the Fourth Proportional to 181,845.32, 272,767.44 and 81,888.48

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Solution

The fourth proportional to 181,845.32, 272,767.44 and 81,888.48 is: 122,832.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,845.32 : 272,767.44 = 81,888.48 : x
  2. Step 2: Convert to fraction form
    181,845.32/272,767.44 = 81,888.48/x
  3. Step 3: Cross multiply
    181,845.32x = 272,767.44 × 81,888.48
  4. Step 4: Simplify right side
    181,845.32x = 22,336,511,055.09
  5. Step 5: Solve for x
    x = 22,336,511,055.09/181,845.32
  6. Step 6: Final answer
    x = 122,832.48

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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.