Home / 128,203.43-192,305.28-33,433.55

Finding the Fourth Proportional to 128,203.43, 192,305.28 and 33,433.55

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Solution

The fourth proportional to 128,203.43, 192,305.28 and 33,433.55 is: 50,150.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,203.43 : 192,305.28 = 33,433.55 : x
  2. Step 2: Convert to fraction form
    128,203.43/192,305.28 = 33,433.55/x
  3. Step 3: Cross multiply
    128,203.43x = 192,305.28 × 33,433.55
  4. Step 4: Simplify right side
    128,203.43x = 6,429,447,232.62
  5. Step 5: Solve for x
    x = 6,429,447,232.62/128,203.43
  6. Step 6: Final answer
    x = 50,150.35

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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.