Home / 263,056.32-363,039.96-161,081.28

Finding the Fourth Proportional to 263,056.32, 363,039.96 and 161,081.28

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Solution

The fourth proportional to 263,056.32, 363,039.96 and 161,081.28 is: 222,305.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,056.32 : 363,039.96 = 161,081.28 : x
  2. Step 2: Convert to fraction form
    263,056.32/363,039.96 = 161,081.28/x
  3. Step 3: Cross multiply
    263,056.32x = 363,039.96 × 161,081.28
  4. Step 4: Simplify right side
    263,056.32x = 58,478,941,447.95
  5. Step 5: Solve for x
    x = 58,478,941,447.95/263,056.32
  6. Step 6: Final answer
    x = 222,305.78

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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.