Home / 106,021.82-146,313.96-58,278.80

Finding the Fourth Proportional to 106,021.82, 146,313.96 and 58,278.80

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Solution

The fourth proportional to 106,021.82, 146,313.96 and 58,278.80 is: 80,426.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,021.82 : 146,313.96 = 58,278.80 : x
  2. Step 2: Convert to fraction form
    106,021.82/146,313.96 = 58,278.80/x
  3. Step 3: Cross multiply
    106,021.82x = 146,313.96 × 58,278.80
  4. Step 4: Simplify right side
    106,021.82x = 8,527,002,012.05
  5. Step 5: Solve for x
    x = 8,527,002,012.05/106,021.82
  6. Step 6: Final answer
    x = 80,426.86

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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.