Home / 191,268.31-263,950.37-106,383.55

Finding the Fourth Proportional to 191,268.31, 263,950.37 and 106,383.55

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Solution

The fourth proportional to 191,268.31, 263,950.37 and 106,383.55 is: 146,809.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,268.31 : 263,950.37 = 106,383.55 : x
  2. Step 2: Convert to fraction form
    191,268.31/263,950.37 = 106,383.55/x
  3. Step 3: Cross multiply
    191,268.31x = 263,950.37 × 106,383.55
  4. Step 4: Simplify right side
    191,268.31x = 28,079,977,384.41
  5. Step 5: Solve for x
    x = 28,079,977,384.41/191,268.31
  6. Step 6: Final answer
    x = 146,809.36

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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.