Finding the Fourth Proportional to 374,824.98, 562,237.05 and 122,105.09
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Solution
The fourth proportional to 374,824.98, 562,237.05 and 122,105.09 is: 183,157.49
Step by Step Solution
- Step 1: Write the proportion equation
374,824.98 : 562,237.05 = 122,105.09 : x - Step 2: Convert to fraction form
374,824.98/562,237.05 = 122,105.09/x - Step 3: Cross multiply
374,824.98x = 562,237.05 × 122,105.09 - Step 4: Simplify right side
374,824.98x = 68,652,002,780.40 - Step 5: Solve for x
x = 68,652,002,780.40/374,824.98 - Step 6: Final answer
x = 183,157.49
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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.