Home / 143,933.76-215,915-44,092.80

Finding the Fourth Proportional to 143,933.76, 215,915 and 44,092.80

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Solution

The fourth proportional to 143,933.76, 215,915 and 44,092.80 is: 66,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,933.76 : 215,915 = 44,092.80 : x
  2. Step 2: Convert to fraction form
    143,933.76/215,915 = 44,092.80/x
  3. Step 3: Cross multiply
    143,933.76x = 215,915 × 44,092.80
  4. Step 4: Simplify right side
    143,933.76x = 9,520,296,912
  5. Step 5: Solve for x
    x = 9,520,296,912/143,933.76
  6. Step 6: Final answer
    x = 66,143.60

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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.