Home / 128,336.24-192,489.65-33,575.57

Finding the Fourth Proportional to 128,336.24, 192,489.65 and 33,575.57

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Solution

The fourth proportional to 128,336.24, 192,489.65 and 33,575.57 is: 50,359.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,336.24 : 192,489.65 = 33,575.57 : x
  2. Step 2: Convert to fraction form
    128,336.24/192,489.65 = 33,575.57/x
  3. Step 3: Cross multiply
    128,336.24x = 192,489.65 × 33,575.57
  4. Step 4: Simplify right side
    128,336.24x = 6,462,949,236.63
  5. Step 5: Solve for x
    x = 6,462,949,236.63/128,336.24
  6. Step 6: Final answer
    x = 50,359.50

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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.