Home / 128,865.98-193,252.61-44,603.25

Finding the Fourth Proportional to 128,865.98, 193,252.61 and 44,603.25

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Solution

The fourth proportional to 128,865.98, 193,252.61 and 44,603.25 is: 66,888.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,865.98 : 193,252.61 = 44,603.25 : x
  2. Step 2: Convert to fraction form
    128,865.98/193,252.61 = 44,603.25/x
  3. Step 3: Cross multiply
    128,865.98x = 193,252.61 × 44,603.25
  4. Step 4: Simplify right side
    128,865.98x = 8,619,694,253.97
  5. Step 5: Solve for x
    x = 8,619,694,253.97/128,865.98
  6. Step 6: Final answer
    x = 66,888.83

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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.