Home / 140,120.26-193,370.62-76,461.54

Finding the Fourth Proportional to 140,120.26, 193,370.62 and 76,461.54

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Solution

The fourth proportional to 140,120.26, 193,370.62 and 76,461.54 is: 105,519.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,120.26 : 193,370.62 = 76,461.54 : x
  2. Step 2: Convert to fraction form
    140,120.26/193,370.62 = 76,461.54/x
  3. Step 3: Cross multiply
    140,120.26x = 193,370.62 × 76,461.54
  4. Step 4: Simplify right side
    140,120.26x = 14,785,415,395.95
  5. Step 5: Solve for x
    x = 14,785,415,395.95/140,120.26
  6. Step 6: Final answer
    x = 105,519.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.