Home / 146,633.68-202,341-82,961.20

Finding the Fourth Proportional to 146,633.68, 202,341 and 82,961.20

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Solution

The fourth proportional to 146,633.68, 202,341 and 82,961.20 is: 114,478.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,633.68 : 202,341 = 82,961.20 : x
  2. Step 2: Convert to fraction form
    146,633.68/202,341 = 82,961.20/x
  3. Step 3: Cross multiply
    146,633.68x = 202,341 × 82,961.20
  4. Step 4: Simplify right side
    146,633.68x = 16,786,452,169.20
  5. Step 5: Solve for x
    x = 16,786,452,169.20/146,633.68
  6. Step 6: Final answer
    x = 114,478.83

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Double scale
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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.