Finding the Fourth Proportional to 169,877.25, 234,430.76 and 93,397.65
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Solution
The fourth proportional to 169,877.25, 234,430.76 and 93,397.65 is: 128,888.84
Step by Step Solution
- Step 1: Write the proportion equation
169,877.25 : 234,430.76 = 93,397.65 : x - Step 2: Convert to fraction form
169,877.25/234,430.76 = 93,397.65/x - Step 3: Cross multiply
169,877.25x = 234,430.76 × 93,397.65 - Step 4: Simplify right side
169,877.25x = 21,895,281,604.73 - Step 5: Solve for x
x = 21,895,281,604.73/169,877.25 - Step 6: Final answer
x = 128,888.84
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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.