Finding the Fourth Proportional to 170,438.83, 235,194.99 and 93,953.95
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Solution
The fourth proportional to 170,438.83, 235,194.99 and 93,953.95 is: 129,650.61
Step by Step Solution
- Step 1: Write the proportion equation
170,438.83 : 235,194.99 = 93,953.95 : x - Step 2: Convert to fraction form
170,438.83/235,194.99 = 93,953.95/x - Step 3: Cross multiply
170,438.83x = 235,194.99 × 93,953.95 - Step 4: Simplify right side
170,438.83x = 22,097,498,330.71 - Step 5: Solve for x
x = 22,097,498,330.71/170,438.83 - Step 6: Final answer
x = 129,650.61
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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.