Home / 128,829.43-193,257.39-44,589.46

Finding the Fourth Proportional to 128,829.43, 193,257.39 and 44,589.46

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Solution

The fourth proportional to 128,829.43, 193,257.39 and 44,589.46 is: 66,888.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,829.43 : 193,257.39 = 44,589.46 : x
  2. Step 2: Convert to fraction form
    128,829.43/193,257.39 = 44,589.46/x
  3. Step 3: Cross multiply
    128,829.43x = 193,257.39 × 44,589.46
  4. Step 4: Simplify right side
    128,829.43x = 8,617,241,745.95
  5. Step 5: Solve for x
    x = 8,617,241,745.95/128,829.43
  6. Step 6: Final answer
    x = 66,888.77

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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.