Home / 128,336.72-192,490.37-33,576.05

Finding the Fourth Proportional to 128,336.72, 192,490.37 and 33,576.05

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Solution

The fourth proportional to 128,336.72, 192,490.37 and 33,576.05 is: 50,360.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,336.72 : 192,490.37 = 33,576.05 : x
  2. Step 2: Convert to fraction form
    128,336.72/192,490.37 = 33,576.05/x
  3. Step 3: Cross multiply
    128,336.72x = 192,490.37 × 33,576.05
  4. Step 4: Simplify right side
    128,336.72x = 6,463,066,726.89
  5. Step 5: Solve for x
    x = 6,463,066,726.89/128,336.72
  6. Step 6: Final answer
    x = 50,360.23

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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.