Home / 106,461.20-159,589.40-82,755.60

Finding the Fourth Proportional to 106,461.20, 159,589.40 and 82,755.60

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Solution

The fourth proportional to 106,461.20, 159,589.40 and 82,755.60 is: 124,053.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,461.20 : 159,589.40 = 82,755.60 : x
  2. Step 2: Convert to fraction form
    106,461.20/159,589.40 = 82,755.60/x
  3. Step 3: Cross multiply
    106,461.20x = 159,589.40 × 82,755.60
  4. Step 4: Simplify right side
    106,461.20x = 13,206,916,550.64
  5. Step 5: Solve for x
    x = 13,206,916,550.64/106,461.20
  6. Step 6: Final answer
    x = 124,053.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.