Home / 106,405.20-146,832.84-58,660.56

Finding the Fourth Proportional to 106,405.20, 146,832.84 and 58,660.56

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Solution

The fourth proportional to 106,405.20, 146,832.84 and 58,660.56 is: 80,948.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,405.20 : 146,832.84 = 58,660.56 : x
  2. Step 2: Convert to fraction form
    106,405.20/146,832.84 = 58,660.56/x
  3. Step 3: Cross multiply
    106,405.20x = 146,832.84 × 58,660.56
  4. Step 4: Simplify right side
    106,405.20x = 8,613,296,620.79
  5. Step 5: Solve for x
    x = 8,613,296,620.79/106,405.20
  6. Step 6: Final answer
    x = 80,948.08

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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.