Home / 191,236.22-263,900.62-105,195.12

Finding the Fourth Proportional to 191,236.22, 263,900.62 and 105,195.12

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Solution

The fourth proportional to 191,236.22, 263,900.62 and 105,195.12 is: 145,166.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,236.22 : 263,900.62 = 105,195.12 : x
  2. Step 2: Convert to fraction form
    191,236.22/263,900.62 = 105,195.12/x
  3. Step 3: Cross multiply
    191,236.22x = 263,900.62 × 105,195.12
  4. Step 4: Simplify right side
    191,236.22x = 27,761,056,754.02
  5. Step 5: Solve for x
    x = 27,761,056,754.02/191,236.22
  6. Step 6: Final answer
    x = 145,166.31

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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.