Home / 191,213.56-263,863.83-106,328.80

Finding the Fourth Proportional to 191,213.56, 263,863.83 and 106,328.80

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Solution

The fourth proportional to 191,213.56, 263,863.83 and 106,328.80 is: 146,727.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,213.56 : 263,863.83 = 106,328.80 : x
  2. Step 2: Convert to fraction form
    191,213.56/263,863.83 = 106,328.80/x
  3. Step 3: Cross multiply
    191,213.56x = 263,863.83 × 106,328.80
  4. Step 4: Simplify right side
    191,213.56x = 28,056,324,407.30
  5. Step 5: Solve for x
    x = 28,056,324,407.30/191,213.56
  6. Step 6: Final answer
    x = 146,727.69

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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.