Finding the Fourth Proportional to 368,163.83, 552,252.58 and 115,438.67
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Solution
The fourth proportional to 368,163.83, 552,252.58 and 115,438.67 is: 173,160.15
Step by Step Solution
- Step 1: Write the proportion equation
368,163.83 : 552,252.58 = 115,438.67 : x - Step 2: Convert to fraction form
368,163.83/552,252.58 = 115,438.67/x - Step 3: Cross multiply
368,163.83x = 552,252.58 × 115,438.67 - Step 4: Simplify right side
368,163.83x = 63,751,303,009.70 - Step 5: Solve for x
x = 63,751,303,009.70/368,163.83 - Step 6: Final answer
x = 173,160.15
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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.