Finding the Fourth Proportional to 185,904.13, 256,547.50 and 101,020.99
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Solution
The fourth proportional to 185,904.13, 256,547.50 and 101,020.99 is: 139,408.86
Step by Step Solution
- Step 1: Write the proportion equation
185,904.13 : 256,547.50 = 101,020.99 : x - Step 2: Convert to fraction form
185,904.13/256,547.50 = 101,020.99/x - Step 3: Cross multiply
185,904.13x = 256,547.50 × 101,020.99 - Step 4: Simplify right side
185,904.13x = 25,916,682,432.03 - Step 5: Solve for x
x = 25,916,682,432.03/185,904.13 - Step 6: Final answer
x = 139,408.86
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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.