Finding the Fourth Proportional to 224,669.21, 336,967.19 and 74,910.74
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Solution
The fourth proportional to 224,669.21, 336,967.19 and 74,910.74 is: 112,353.90
Step by Step Solution
- Step 1: Write the proportion equation
224,669.21 : 336,967.19 = 74,910.74 : x - Step 2: Convert to fraction form
224,669.21/336,967.19 = 74,910.74/x - Step 3: Cross multiply
224,669.21x = 336,967.19 × 74,910.74 - Step 4: Simplify right side
224,669.21x = 25,242,461,184.07 - Step 5: Solve for x
x = 25,242,461,184.07/224,669.21 - Step 6: Final answer
x = 112,353.90
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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.