Home / 146,042.12-201,544.25-82,379.90

Finding the Fourth Proportional to 146,042.12, 201,544.25 and 82,379.90

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Solution

The fourth proportional to 146,042.12, 201,544.25 and 82,379.90 is: 113,687.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,042.12 : 201,544.25 = 82,379.90 : x
  2. Step 2: Convert to fraction form
    146,042.12/201,544.25 = 82,379.90/x
  3. Step 3: Cross multiply
    146,042.12x = 201,544.25 × 82,379.90
  4. Step 4: Simplify right side
    146,042.12x = 16,603,193,740.95
  5. Step 5: Solve for x
    x = 16,603,193,740.95/146,042.12
  6. Step 6: Final answer
    x = 113,687.71

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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.