Finding the Fourth Proportional to 107,216.01, 147,523.55 and 88,025.09
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Solution
The fourth proportional to 107,216.01, 147,523.55 and 88,025.09 is: 121,117.85
Step by Step Solution
- Step 1: Write the proportion equation
107,216.01 : 147,523.55 = 88,025.09 : x - Step 2: Convert to fraction form
107,216.01/147,523.55 = 88,025.09/x - Step 3: Cross multiply
107,216.01x = 147,523.55 × 88,025.09 - Step 4: Simplify right side
107,216.01x = 12,985,772,588.13 - Step 5: Solve for x
x = 12,985,772,588.13/107,216.01 - Step 6: Final answer
x = 121,117.85
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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.