Home / 454,958.60-682,145.93-188,902.76

Finding the Fourth Proportional to 454,958.60, 682,145.93 and 188,902.76

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Solution

The fourth proportional to 454,958.60, 682,145.93 and 188,902.76 is: 283,232.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,958.60 : 682,145.93 = 188,902.76 : x
  2. Step 2: Convert to fraction form
    454,958.60/682,145.93 = 188,902.76/x
  3. Step 3: Cross multiply
    454,958.60x = 682,145.93 × 188,902.76
  4. Step 4: Simplify right side
    454,958.60x = 128,859,245,961.29
  5. Step 5: Solve for x
    x = 128,859,245,961.29/454,958.60
  6. Step 6: Final answer
    x = 283,232.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.