Finding the Fourth Proportional to 168,197.28, 232,107.28 and 92,745.76
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Solution
The fourth proportional to 168,197.28, 232,107.28 and 92,745.76 is: 127,986.41
Step by Step Solution
- Step 1: Write the proportion equation
168,197.28 : 232,107.28 = 92,745.76 : x - Step 2: Convert to fraction form
168,197.28/232,107.28 = 92,745.76/x - Step 3: Cross multiply
168,197.28x = 232,107.28 × 92,745.76 - Step 4: Simplify right side
168,197.28x = 21,526,966,085.13 - Step 5: Solve for x
x = 21,526,966,085.13/168,197.28 - Step 6: Final answer
x = 127,986.41
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1.5x scale
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.