Finding the Fourth Proportional to 144,497.08, 199,319.34 and 91,505.08
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Solution
The fourth proportional to 144,497.08, 199,319.34 and 91,505.08 is: 126,222.15
Step by Step Solution
- Step 1: Write the proportion equation
144,497.08 : 199,319.34 = 91,505.08 : x - Step 2: Convert to fraction form
144,497.08/199,319.34 = 91,505.08/x - Step 3: Cross multiply
144,497.08x = 199,319.34 × 91,505.08 - Step 4: Simplify right side
144,497.08x = 18,238,732,152.25 - Step 5: Solve for x
x = 18,238,732,152.25/144,497.08 - Step 6: Final answer
x = 126,222.15
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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.