Finding the Fourth Proportional to 147,605.44, 221,420.58 and 46,426.72
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Solution
The fourth proportional to 147,605.44, 221,420.58 and 46,426.72 is: 69,643.99
Step by Step Solution
- Step 1: Write the proportion equation
147,605.44 : 221,420.58 = 46,426.72 : x - Step 2: Convert to fraction form
147,605.44/221,420.58 = 46,426.72/x - Step 3: Cross multiply
147,605.44x = 221,420.58 × 46,426.72 - Step 4: Simplify right side
147,605.44x = 10,279,831,269.90 - Step 5: Solve for x
x = 10,279,831,269.90/147,605.44 - Step 6: Final answer
x = 69,643.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.