Finding the Fourth Proportional to 264,831.26, 397,247.08 and 77,973.98
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Solution
The fourth proportional to 264,831.26, 397,247.08 and 77,973.98 is: 116,961.03
Step by Step Solution
- Step 1: Write the proportion equation
264,831.26 : 397,247.08 = 77,973.98 : x - Step 2: Convert to fraction form
264,831.26/397,247.08 = 77,973.98/x - Step 3: Cross multiply
264,831.26x = 397,247.08 × 77,973.98 - Step 4: Simplify right side
264,831.26x = 30,974,935,870.98 - Step 5: Solve for x
x = 30,974,935,870.98/264,831.26 - Step 6: Final answer
x = 116,961.03
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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.