Home / 125,285.92-187,560.24-83,629.60

Finding the Fourth Proportional to 125,285.92, 187,560.24 and 83,629.60

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Solution

The fourth proportional to 125,285.92, 187,560.24 and 83,629.60 is: 125,198.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,285.92 : 187,560.24 = 83,629.60 : x
  2. Step 2: Convert to fraction form
    125,285.92/187,560.24 = 83,629.60/x
  3. Step 3: Cross multiply
    125,285.92x = 187,560.24 × 83,629.60
  4. Step 4: Simplify right side
    125,285.92x = 15,685,587,847.10
  5. Step 5: Solve for x
    x = 15,685,587,847.10/125,285.92
  6. Step 6: Final answer
    x = 125,198.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.