Home / 106,176.45-146,519.78-58,428.57

Finding the Fourth Proportional to 106,176.45, 146,519.78 and 58,428.57

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Solution

The fourth proportional to 106,176.45, 146,519.78 and 58,428.57 is: 80,629.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,176.45 : 146,519.78 = 58,428.57 : x
  2. Step 2: Convert to fraction form
    106,176.45/146,519.78 = 58,428.57/x
  3. Step 3: Cross multiply
    106,176.45x = 146,519.78 × 58,428.57
  4. Step 4: Simplify right side
    106,176.45x = 8,560,940,929.97
  5. Step 5: Solve for x
    x = 8,560,940,929.97/106,176.45
  6. Step 6: Final answer
    x = 80,629.38

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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.