Finding the Fourth Proportional to 374,451.75, 561,677.63 and 125,133.75
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Solution
The fourth proportional to 374,451.75, 561,677.63 and 125,133.75 is: 187,700.63
Step by Step Solution
- Step 1: Write the proportion equation
374,451.75 : 561,677.63 = 125,133.75 : x - Step 2: Convert to fraction form
374,451.75/561,677.63 = 125,133.75/x - Step 3: Cross multiply
374,451.75x = 561,677.63 × 125,133.75 - Step 4: Simplify right side
374,451.75x = 70,284,828,133.01 - Step 5: Solve for x
x = 70,284,828,133.01/374,451.75 - Step 6: Final answer
x = 187,700.63
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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.