Home / 128,772.69-193,150.58-44,513.25

Finding the Fourth Proportional to 128,772.69, 193,150.58 and 44,513.25

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Solution

The fourth proportional to 128,772.69, 193,150.58 and 44,513.25 is: 66,766.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,772.69 : 193,150.58 = 44,513.25 : x
  2. Step 2: Convert to fraction form
    128,772.69/193,150.58 = 44,513.25/x
  3. Step 3: Cross multiply
    128,772.69x = 193,150.58 × 44,513.25
  4. Step 4: Simplify right side
    128,772.69x = 8,597,759,832.62
  5. Step 5: Solve for x
    x = 8,597,759,832.62/128,772.69
  6. Step 6: Final answer
    x = 66,766.95

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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.