Finding the Fourth Proportional to 135,905.87, 202,943.55 and 110,995.33
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Solution
The fourth proportional to 135,905.87, 202,943.55 and 110,995.33 is: 165,745.50
Step by Step Solution
- Step 1: Write the proportion equation
135,905.87 : 202,943.55 = 110,995.33 : x - Step 2: Convert to fraction form
135,905.87/202,943.55 = 110,995.33/x - Step 3: Cross multiply
135,905.87x = 202,943.55 × 110,995.33 - Step 4: Simplify right side
135,905.87x = 22,525,785,796.26 - Step 5: Solve for x
x = 22,525,785,796.26/135,905.87 - Step 6: Final answer
x = 165,745.50
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.