Home / 259,193.20-388,731.46-92,981.20

Finding the Fourth Proportional to 259,193.20, 388,731.46 and 92,981.20

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Solution

The fourth proportional to 259,193.20, 388,731.46 and 92,981.20 is: 139,450.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,193.20 : 388,731.46 = 92,981.20 : x
  2. Step 2: Convert to fraction form
    259,193.20/388,731.46 = 92,981.20/x
  3. Step 3: Cross multiply
    259,193.20x = 388,731.46 × 92,981.20
  4. Step 4: Simplify right side
    259,193.20x = 36,144,717,628.55
  5. Step 5: Solve for x
    x = 36,144,717,628.55/259,193.20
  6. Step 6: Final answer
    x = 139,450.87

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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.