Finding the Fourth Proportional to 169,914.99, 234,488.73 and 93,439.95
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Solution
The fourth proportional to 169,914.99, 234,488.73 and 93,439.95 is: 128,950.45
Step by Step Solution
- Step 1: Write the proportion equation
169,914.99 : 234,488.73 = 93,439.95 : x - Step 2: Convert to fraction form
169,914.99/234,488.73 = 93,439.95/x - Step 3: Cross multiply
169,914.99x = 234,488.73 × 93,439.95 - Step 4: Simplify right side
169,914.99x = 21,910,615,206.76 - Step 5: Solve for x
x = 21,910,615,206.76/169,914.99 - Step 6: Final answer
x = 128,950.45
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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.