Finding the Fourth Proportional to 153,841.96, 212,182.50 and 97,232.68
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Solution
The fourth proportional to 153,841.96, 212,182.50 and 97,232.68 is: 134,105.63
Step by Step Solution
- Step 1: Write the proportion equation
153,841.96 : 212,182.50 = 97,232.68 : x - Step 2: Convert to fraction form
153,841.96/212,182.50 = 97,232.68/x - Step 3: Cross multiply
153,841.96x = 212,182.50 × 97,232.68 - Step 4: Simplify right side
153,841.96x = 20,631,073,124.10 - Step 5: Solve for x
x = 20,631,073,124.10/153,841.96 - Step 6: Final answer
x = 134,105.63
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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.