Finding the Fourth Proportional to 153,745.26, 212,301.90 and 96,483.84
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Solution
The fourth proportional to 153,745.26, 212,301.90 and 96,483.84 is: 133,231.44
Step by Step Solution
- Step 1: Write the proportion equation
153,745.26 : 212,301.90 = 96,483.84 : x - Step 2: Convert to fraction form
153,745.26/212,301.90 = 96,483.84/x - Step 3: Cross multiply
153,745.26x = 212,301.90 × 96,483.84 - Step 4: Simplify right side
153,745.26x = 20,483,702,551.30 - Step 5: Solve for x
x = 20,483,702,551.30/153,745.26 - Step 6: Final answer
x = 133,231.44
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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.