Finding the Fourth Proportional to 367,351.40, 551,027.10 and 130,701.80
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Solution
The fourth proportional to 367,351.40, 551,027.10 and 130,701.80 is: 196,052.70
Step by Step Solution
- Step 1: Write the proportion equation
367,351.40 : 551,027.10 = 130,701.80 : x - Step 2: Convert to fraction form
367,351.40/551,027.10 = 130,701.80/x - Step 3: Cross multiply
367,351.40x = 551,027.10 × 130,701.80 - Step 4: Simplify right side
367,351.40x = 72,020,233,818.78 - Step 5: Solve for x
x = 72,020,233,818.78/367,351.40 - Step 6: Final answer
x = 196,052.70
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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.