Home / 191,151.56-263,789.46-106,268.63

Finding the Fourth Proportional to 191,151.56, 263,789.46 and 106,268.63

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Solution

The fourth proportional to 191,151.56, 263,789.46 and 106,268.63 is: 146,650.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,151.56 : 263,789.46 = 106,268.63 : x
  2. Step 2: Convert to fraction form
    191,151.56/263,789.46 = 106,268.63/x
  3. Step 3: Cross multiply
    191,151.56x = 263,789.46 × 106,268.63
  4. Step 4: Simplify right side
    191,151.56x = 28,032,543,203.69
  5. Step 5: Solve for x
    x = 28,032,543,203.69/191,151.56
  6. Step 6: Final answer
    x = 146,650.87

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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.