Home / 126,697.62-190,047.75-51,766.59

Finding the Fourth Proportional to 126,697.62, 190,047.75 and 51,766.59

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Solution

The fourth proportional to 126,697.62, 190,047.75 and 51,766.59 is: 77,650.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,697.62 : 190,047.75 = 51,766.59 : x
  2. Step 2: Convert to fraction form
    126,697.62/190,047.75 = 51,766.59/x
  3. Step 3: Cross multiply
    126,697.62x = 190,047.75 × 51,766.59
  4. Step 4: Simplify right side
    126,697.62x = 9,838,123,954.67
  5. Step 5: Solve for x
    x = 9,838,123,954.67/126,697.62
  6. Step 6: Final answer
    x = 77,650.42

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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.