Finding the Fourth Proportional to 314,176.95, 433,566.09 and 170,938.08
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Solution
The fourth proportional to 314,176.95, 433,566.09 and 170,938.08 is: 235,895.58
Step by Step Solution
- Step 1: Write the proportion equation
314,176.95 : 433,566.09 = 170,938.08 : x - Step 2: Convert to fraction form
314,176.95/433,566.09 = 170,938.08/x - Step 3: Cross multiply
314,176.95x = 433,566.09 × 170,938.08 - Step 4: Simplify right side
314,176.95x = 74,112,954,977.71 - Step 5: Solve for x
x = 74,112,954,977.71/314,176.95 - Step 6: Final answer
x = 235,895.58
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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.