Finding the Fourth Proportional to 135,657.36, 187,226.28 and 75,241.44
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Solution
The fourth proportional to 135,657.36, 187,226.28 and 75,241.44 is: 103,843.79
Step by Step Solution
- Step 1: Write the proportion equation
135,657.36 : 187,226.28 = 75,241.44 : x - Step 2: Convert to fraction form
135,657.36/187,226.28 = 75,241.44/x - Step 3: Cross multiply
135,657.36x = 187,226.28 × 75,241.44 - Step 4: Simplify right side
135,657.36x = 14,087,174,913.04 - Step 5: Solve for x
x = 14,087,174,913.04/135,657.36 - Step 6: Final answer
x = 103,843.79
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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.