Home / 231,659.20-347,229.60-98,516.80

Finding the Fourth Proportional to 231,659.20, 347,229.60 and 98,516.80

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Solution

The fourth proportional to 231,659.20, 347,229.60 and 98,516.80 is: 147,664.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,659.20 : 347,229.60 = 98,516.80 : x
  2. Step 2: Convert to fraction form
    231,659.20/347,229.60 = 98,516.80/x
  3. Step 3: Cross multiply
    231,659.20x = 347,229.60 × 98,516.80
  4. Step 4: Simplify right side
    231,659.20x = 34,207,949,057.28
  5. Step 5: Solve for x
    x = 34,207,949,057.28/231,659.20
  6. Step 6: Final answer
    x = 147,664.97

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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.