Finding the Fourth Proportional to 282,197.52, 423,434.66 and 132,449.99
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Solution
The fourth proportional to 282,197.52, 423,434.66 and 132,449.99 is: 198,739.92
Step by Step Solution
- Step 1: Write the proportion equation
282,197.52 : 423,434.66 = 132,449.99 : x - Step 2: Convert to fraction form
282,197.52/423,434.66 = 132,449.99/x - Step 3: Cross multiply
282,197.52x = 423,434.66 × 132,449.99 - Step 4: Simplify right side
282,197.52x = 56,083,913,703.23 - Step 5: Solve for x
x = 56,083,913,703.23/282,197.52 - Step 6: Final answer
x = 198,739.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.