Finding the Fourth Proportional to 159,783.93, 239,658.19 and 57,197.19
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Solution
The fourth proportional to 159,783.93, 239,658.19 and 57,197.19 is: 85,789.45
Step by Step Solution
- Step 1: Write the proportion equation
159,783.93 : 239,658.19 = 57,197.19 : x - Step 2: Convert to fraction form
159,783.93/239,658.19 = 57,197.19/x - Step 3: Cross multiply
159,783.93x = 239,658.19 × 57,197.19 - Step 4: Simplify right side
159,783.93x = 13,707,775,028.49 - Step 5: Solve for x
x = 13,707,775,028.49/159,783.93 - Step 6: Final answer
x = 85,789.45
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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.