Finding the Fourth Proportional to 176,781.63, 243,953.98 and 96,207.44
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Solution
The fourth proportional to 176,781.63, 243,953.98 and 96,207.44 is: 132,763.72
Step by Step Solution
- Step 1: Write the proportion equation
176,781.63 : 243,953.98 = 96,207.44 : x - Step 2: Convert to fraction form
176,781.63/243,953.98 = 96,207.44/x - Step 3: Cross multiply
176,781.63x = 243,953.98 × 96,207.44 - Step 4: Simplify right side
176,781.63x = 23,470,186,433.32 - Step 5: Solve for x
x = 23,470,186,433.32/176,781.63 - Step 6: Final answer
x = 132,763.72
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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.