Finding the Fourth Proportional to 249,110.24, 343,790.93 and 141,690.26
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Solution
The fourth proportional to 249,110.24, 343,790.93 and 141,690.26 is: 195,543.26
Step by Step Solution
- Step 1: Write the proportion equation
249,110.24 : 343,790.93 = 141,690.26 : x - Step 2: Convert to fraction form
249,110.24/343,790.93 = 141,690.26/x - Step 3: Cross multiply
249,110.24x = 343,790.93 × 141,690.26 - Step 4: Simplify right side
249,110.24x = 48,711,827,471.04 - Step 5: Solve for x
x = 48,711,827,471.04/249,110.24 - Step 6: Final answer
x = 195,543.26
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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.