Home / 143,873.02-198,550.47-80,222.14

Finding the Fourth Proportional to 143,873.02, 198,550.47 and 80,222.14

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Solution

The fourth proportional to 143,873.02, 198,550.47 and 80,222.14 is: 110,709.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,873.02 : 198,550.47 = 80,222.14 : x
  2. Step 2: Convert to fraction form
    143,873.02/198,550.47 = 80,222.14/x
  3. Step 3: Cross multiply
    143,873.02x = 198,550.47 × 80,222.14
  4. Step 4: Simplify right side
    143,873.02x = 15,928,143,601.41
  5. Step 5: Solve for x
    x = 15,928,143,601.41/143,873.02
  6. Step 6: Final answer
    x = 110,709.73

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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.