Finding the Fourth Proportional to 114,649.19, 171,201.77 and 93,630.96
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Solution
The fourth proportional to 114,649.19, 171,201.77 and 93,630.96 is: 139,815.95
Step by Step Solution
- Step 1: Write the proportion equation
114,649.19 : 171,201.77 = 93,630.96 : x - Step 2: Convert to fraction form
114,649.19/171,201.77 = 93,630.96/x - Step 3: Cross multiply
114,649.19x = 171,201.77 × 93,630.96 - Step 4: Simplify right side
114,649.19x = 16,029,785,610.64 - Step 5: Solve for x
x = 16,029,785,610.64/114,649.19 - Step 6: Final answer
x = 139,815.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.