Finding the Fourth Proportional to 149,444.09, 206,225.33 and 84,904.88
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Solution
The fourth proportional to 149,444.09, 206,225.33 and 84,904.88 is: 117,164.46
Step by Step Solution
- Step 1: Write the proportion equation
149,444.09 : 206,225.33 = 84,904.88 : x - Step 2: Convert to fraction form
149,444.09/206,225.33 = 84,904.88/x - Step 3: Cross multiply
149,444.09x = 206,225.33 × 84,904.88 - Step 4: Simplify right side
149,444.09x = 17,509,535,440.96 - Step 5: Solve for x
x = 17,509,535,440.96/149,444.09 - Step 6: Final answer
x = 117,164.46
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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.