Home / 128,691.47-193,028.73-44,452.83

Finding the Fourth Proportional to 128,691.47, 193,028.73 and 44,452.83

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Solution

The fourth proportional to 128,691.47, 193,028.73 and 44,452.83 is: 66,676.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,691.47 : 193,028.73 = 44,452.83 : x
  2. Step 2: Convert to fraction form
    128,691.47/193,028.73 = 44,452.83/x
  3. Step 3: Cross multiply
    128,691.47x = 193,028.73 × 44,452.83
  4. Step 4: Simplify right side
    128,691.47x = 8,580,673,876.97
  5. Step 5: Solve for x
    x = 8,580,673,876.97/128,691.47
  6. Step 6: Final answer
    x = 66,676.32

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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.