Home / 105,954.27-146,217.92-58,208.65

Finding the Fourth Proportional to 105,954.27, 146,217.92 and 58,208.65

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Solution

The fourth proportional to 105,954.27, 146,217.92 and 58,208.65 is: 80,328.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,954.27 : 146,217.92 = 58,208.65 : x
  2. Step 2: Convert to fraction form
    105,954.27/146,217.92 = 58,208.65/x
  3. Step 3: Cross multiply
    105,954.27x = 146,217.92 × 58,208.65
  4. Step 4: Simplify right side
    105,954.27x = 8,511,147,729.01
  5. Step 5: Solve for x
    x = 8,511,147,729.01/105,954.27
  6. Step 6: Final answer
    x = 80,328.50

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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.