Home / 99,366.60-148,934.70-40,163.40

Finding the Fourth Proportional to 99,366.60, 148,934.70 and 40,163.40

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Solution

The fourth proportional to 99,366.60, 148,934.70 and 40,163.40 is: 60,198.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,366.60 : 148,934.70 = 40,163.40 : x
  2. Step 2: Convert to fraction form
    99,366.60/148,934.70 = 40,163.40/x
  3. Step 3: Cross multiply
    99,366.60x = 148,934.70 × 40,163.40
  4. Step 4: Simplify right side
    99,366.60x = 5,981,723,929.98
  5. Step 5: Solve for x
    x = 5,981,723,929.98/99,366.60
  6. Step 6: Final answer
    x = 60,198.54

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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.