Home / 144,440.77-199,327.58-80,778.82

Finding the Fourth Proportional to 144,440.77, 199,327.58 and 80,778.82

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Solution

The fourth proportional to 144,440.77, 199,327.58 and 80,778.82 is: 111,474.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,440.77 : 199,327.58 = 80,778.82 : x
  2. Step 2: Convert to fraction form
    144,440.77/199,327.58 = 80,778.82/x
  3. Step 3: Cross multiply
    144,440.77x = 199,327.58 × 80,778.82
  4. Step 4: Simplify right side
    144,440.77x = 16,101,446,106.56
  5. Step 5: Solve for x
    x = 16,101,446,106.56/144,440.77
  6. Step 6: Final answer
    x = 111,474.39

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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.