Home / 106,255.95-146,634.21-58,511.04

Finding the Fourth Proportional to 106,255.95, 146,634.21 and 58,511.04

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Solution

The fourth proportional to 106,255.95, 146,634.21 and 58,511.04 is: 80,745.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,255.95 : 146,634.21 = 58,511.04 : x
  2. Step 2: Convert to fraction form
    106,255.95/146,634.21 = 58,511.04/x
  3. Step 3: Cross multiply
    106,255.95x = 146,634.21 × 58,511.04
  4. Step 4: Simplify right side
    106,255.95x = 8,579,720,126.68
  5. Step 5: Solve for x
    x = 8,579,720,126.68/106,255.95
  6. Step 6: Final answer
    x = 80,745.79

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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.