Home / 105,974.36-146,243.56-58,226.69

Finding the Fourth Proportional to 105,974.36, 146,243.56 and 58,226.69

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Solution

The fourth proportional to 105,974.36, 146,243.56 and 58,226.69 is: 80,352.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,974.36 : 146,243.56 = 58,226.69 : x
  2. Step 2: Convert to fraction form
    105,974.36/146,243.56 = 58,226.69/x
  3. Step 3: Cross multiply
    105,974.36x = 146,243.56 × 58,226.69
  4. Step 4: Simplify right side
    105,974.36x = 8,515,278,432.62
  5. Step 5: Solve for x
    x = 8,515,278,432.62/105,974.36
  6. Step 6: Final answer
    x = 80,352.25

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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.