Home / 106,439.20-146,887.12-58,694.24

Finding the Fourth Proportional to 106,439.20, 146,887.12 and 58,694.24

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Solution

The fourth proportional to 106,439.20, 146,887.12 and 58,694.24 is: 80,998.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,439.20 : 146,887.12 = 58,694.24 : x
  2. Step 2: Convert to fraction form
    106,439.20/146,887.12 = 58,694.24/x
  3. Step 3: Cross multiply
    106,439.20x = 146,887.12 × 58,694.24
  4. Step 4: Simplify right side
    106,439.20x = 8,621,427,874.19
  5. Step 5: Solve for x
    x = 8,621,427,874.19/106,439.20
  6. Step 6: Final answer
    x = 80,998.62

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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.