Finding the Fourth Proportional to 114,163.04, 157,541.12 and 63,177.92
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Solution
The fourth proportional to 114,163.04, 157,541.12 and 63,177.92 is: 87,183.38
Step by Step Solution
- Step 1: Write the proportion equation
114,163.04 : 157,541.12 = 63,177.92 : x - Step 2: Convert to fraction form
114,163.04/157,541.12 = 63,177.92/x - Step 3: Cross multiply
114,163.04x = 157,541.12 × 63,177.92 - Step 4: Simplify right side
114,163.04x = 9,953,119,766.47 - Step 5: Solve for x
x = 9,953,119,766.47/114,163.04 - Step 6: Final answer
x = 87,183.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.