Home / 106,435.20-146,879.68-58,690.56

Finding the Fourth Proportional to 106,435.20, 146,879.68 and 58,690.56

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Solution

The fourth proportional to 106,435.20, 146,879.68 and 58,690.56 is: 80,992.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,435.20 : 146,879.68 = 58,690.56 : x
  2. Step 2: Convert to fraction form
    106,435.20/146,879.68 = 58,690.56/x
  3. Step 3: Cross multiply
    106,435.20x = 146,879.68 × 58,690.56
  4. Step 4: Simplify right side
    106,435.20x = 8,620,450,671.82
  5. Step 5: Solve for x
    x = 8,620,450,671.82/106,435.20
  6. Step 6: Final answer
    x = 80,992.48

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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.