Finding the Fourth Proportional to 114,370.16, 157,826.26 and 63,385.08
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Solution
The fourth proportional to 114,370.16, 157,826.26 and 63,385.08 is: 87,468.88
Step by Step Solution
- Step 1: Write the proportion equation
114,370.16 : 157,826.26 = 63,385.08 : x - Step 2: Convert to fraction form
114,370.16/157,826.26 = 63,385.08/x - Step 3: Cross multiply
114,370.16x = 157,826.26 × 63,385.08 - Step 4: Simplify right side
114,370.16x = 10,003,830,116.20 - Step 5: Solve for x
x = 10,003,830,116.20/114,370.16 - Step 6: Final answer
x = 87,468.88
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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.