Home / 149,553.04-206,382.24-82,485.04

Finding the Fourth Proportional to 149,553.04, 206,382.24 and 82,485.04

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Solution

The fourth proportional to 149,553.04, 206,382.24 and 82,485.04 is: 113,828.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,553.04 : 206,382.24 = 82,485.04 : x
  2. Step 2: Convert to fraction form
    149,553.04/206,382.24 = 82,485.04/x
  3. Step 3: Cross multiply
    149,553.04x = 206,382.24 × 82,485.04
  4. Step 4: Simplify right side
    149,553.04x = 17,023,447,321.69
  5. Step 5: Solve for x
    x = 17,023,447,321.69/149,553.04
  6. Step 6: Final answer
    x = 113,828.83

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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.