Finding the Fourth Proportional to 180,501.16, 249,091.86 and 107,951.08
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Solution
The fourth proportional to 180,501.16, 249,091.86 and 107,951.08 is: 148,972.65
Step by Step Solution
- Step 1: Write the proportion equation
180,501.16 : 249,091.86 = 107,951.08 : x - Step 2: Convert to fraction form
180,501.16/249,091.86 = 107,951.08/x - Step 3: Cross multiply
180,501.16x = 249,091.86 × 107,951.08 - Step 4: Simplify right side
180,501.16x = 26,889,735,306.21 - Step 5: Solve for x
x = 26,889,735,306.21/180,501.16 - Step 6: Final answer
x = 148,972.65
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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.