Home / 190,989.20-263,565.05-104,953.73

Finding the Fourth Proportional to 190,989.20, 263,565.05 and 104,953.73

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Solution

The fourth proportional to 190,989.20, 263,565.05 and 104,953.73 is: 144,836.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,989.20 : 263,565.05 = 104,953.73 : x
  2. Step 2: Convert to fraction form
    190,989.20/263,565.05 = 104,953.73/x
  3. Step 3: Cross multiply
    190,989.20x = 263,565.05 × 104,953.73
  4. Step 4: Simplify right side
    190,989.20x = 27,662,135,229.28
  5. Step 5: Solve for x
    x = 27,662,135,229.28/190,989.20
  6. Step 6: Final answer
    x = 144,836.12

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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.