Finding the Fourth Proportional to 106,743.47, 160,115.00 and 100,248.08
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Solution
The fourth proportional to 106,743.47, 160,115.00 and 100,248.08 is: 150,371.92
Step by Step Solution
- Step 1: Write the proportion equation
106,743.47 : 160,115.00 = 100,248.08 : x - Step 2: Convert to fraction form
106,743.47/160,115.00 = 100,248.08/x - Step 3: Cross multiply
106,743.47x = 160,115.00 × 100,248.08 - Step 4: Simplify right side
106,743.47x = 16,051,220,827.96 - Step 5: Solve for x
x = 16,051,220,827.96/106,743.47 - Step 6: Final answer
x = 150,371.92
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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.