Home / 144,705.20-217,066-44,879.58

Finding the Fourth Proportional to 144,705.20, 217,066 and 44,879.58

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Solution

The fourth proportional to 144,705.20, 217,066 and 44,879.58 is: 67,321.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,705.20 : 217,066 = 44,879.58 : x
  2. Step 2: Convert to fraction form
    144,705.20/217,066 = 44,879.58/x
  3. Step 3: Cross multiply
    144,705.20x = 217,066 × 44,879.58
  4. Step 4: Simplify right side
    144,705.20x = 9,741,830,912.28
  5. Step 5: Solve for x
    x = 9,741,830,912.28/144,705.20
  6. Step 6: Final answer
    x = 67,321.91

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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.