Finding the Fourth Proportional to 325,171.36, 487,761.14 and 114,661.68
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Solution
The fourth proportional to 325,171.36, 487,761.14 and 114,661.68 is: 171,993.96
Step by Step Solution
- Step 1: Write the proportion equation
325,171.36 : 487,761.14 = 114,661.68 : x - Step 2: Convert to fraction form
325,171.36/487,761.14 = 114,661.68/x - Step 3: Cross multiply
325,171.36x = 487,761.14 × 114,661.68 - Step 4: Simplify right side
325,171.36x = 55,927,510,208.67 - Step 5: Solve for x
x = 55,927,510,208.67/325,171.36 - Step 6: Final answer
x = 171,993.96
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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.