Home / 144,456.85-199,349.31-80,794.60

Finding the Fourth Proportional to 144,456.85, 199,349.31 and 80,794.60

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Solution

The fourth proportional to 144,456.85, 199,349.31 and 80,794.60 is: 111,495.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,456.85 : 199,349.31 = 80,794.60 : x
  2. Step 2: Convert to fraction form
    144,456.85/199,349.31 = 80,794.60/x
  3. Step 3: Cross multiply
    144,456.85x = 199,349.31 × 80,794.60
  4. Step 4: Simplify right side
    144,456.85x = 16,106,347,761.73
  5. Step 5: Solve for x
    x = 16,106,347,761.73/144,456.85
  6. Step 6: Final answer
    x = 111,495.91

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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.