Home / 128,893.20-193,410.27-50,010.54

Finding the Fourth Proportional to 128,893.20, 193,410.27 and 50,010.54

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Solution

The fourth proportional to 128,893.20, 193,410.27 and 50,010.54 is: 75,043.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,893.20 : 193,410.27 = 50,010.54 : x
  2. Step 2: Convert to fraction form
    128,893.20/193,410.27 = 50,010.54/x
  3. Step 3: Cross multiply
    128,893.20x = 193,410.27 × 50,010.54
  4. Step 4: Simplify right side
    128,893.20x = 9,672,552,044.25
  5. Step 5: Solve for x
    x = 9,672,552,044.25/128,893.20
  6. Step 6: Final answer
    x = 75,043.15

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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.