Home / 127,078.13-190,493.25-60,500.37

Finding the Fourth Proportional to 127,078.13, 190,493.25 and 60,500.37

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Solution

The fourth proportional to 127,078.13, 190,493.25 and 60,500.37 is: 90,691.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,078.13 : 190,493.25 = 60,500.37 : x
  2. Step 2: Convert to fraction form
    127,078.13/190,493.25 = 60,500.37/x
  3. Step 3: Cross multiply
    127,078.13x = 190,493.25 × 60,500.37
  4. Step 4: Simplify right side
    127,078.13x = 11,524,912,107.50
  5. Step 5: Solve for x
    x = 11,524,912,107.50/127,078.13
  6. Step 6: Final answer
    x = 90,691.55

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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.