Home / 146,912.45-220,572.95-75,887.57

Finding the Fourth Proportional to 146,912.45, 220,572.95 and 75,887.57

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Solution

The fourth proportional to 146,912.45, 220,572.95 and 75,887.57 is: 113,936.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,912.45 : 220,572.95 = 75,887.57 : x
  2. Step 2: Convert to fraction form
    146,912.45/220,572.95 = 75,887.57/x
  3. Step 3: Cross multiply
    146,912.45x = 220,572.95 × 75,887.57
  4. Step 4: Simplify right side
    146,912.45x = 16,738,743,700.93
  5. Step 5: Solve for x
    x = 16,738,743,700.93/146,912.45
  6. Step 6: Final answer
    x = 113,936.87

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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.