Home / 191,028.56-263,614.20-106,143.44

Finding the Fourth Proportional to 191,028.56, 263,614.20 and 106,143.44

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Solution

The fourth proportional to 191,028.56, 263,614.20 and 106,143.44 is: 146,475.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,028.56 : 263,614.20 = 106,143.44 : x
  2. Step 2: Convert to fraction form
    191,028.56/263,614.20 = 106,143.44/x
  3. Step 3: Cross multiply
    191,028.56x = 263,614.20 × 106,143.44
  4. Step 4: Simplify right side
    191,028.56x = 27,980,918,020.85
  5. Step 5: Solve for x
    x = 27,980,918,020.85/191,028.56
  6. Step 6: Final answer
    x = 146,475.05

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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.