Finding the Fourth Proportional to 102,130.10, 153,195.21 and 32,014.88
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Solution
The fourth proportional to 102,130.10, 153,195.21 and 32,014.88 is: 48,022.33
Step by Step Solution
- Step 1: Write the proportion equation
102,130.10 : 153,195.21 = 32,014.88 : x - Step 2: Convert to fraction form
102,130.10/153,195.21 = 32,014.88/x - Step 3: Cross multiply
102,130.10x = 153,195.21 × 32,014.88 - Step 4: Simplify right side
102,130.10x = 4,904,525,498.75 - Step 5: Solve for x
x = 4,904,525,498.75/102,130.10 - Step 6: Final answer
x = 48,022.33
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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.