Home / 144,439.77-199,326.20-80,777.82

Finding the Fourth Proportional to 144,439.77, 199,326.20 and 80,777.82

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Solution

The fourth proportional to 144,439.77, 199,326.20 and 80,777.82 is: 111,473.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,439.77 : 199,326.20 = 80,777.82 : x
  2. Step 2: Convert to fraction form
    144,439.77/199,326.20 = 80,777.82/x
  3. Step 3: Cross multiply
    144,439.77x = 199,326.20 × 80,777.82
  4. Step 4: Simplify right side
    144,439.77x = 16,101,135,904.88
  5. Step 5: Solve for x
    x = 16,101,135,904.88/144,439.77
  6. Step 6: Final answer
    x = 111,473.01

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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.