Home / 126,902.94-190,355.76-52,003.86

Finding the Fourth Proportional to 126,902.94, 190,355.76 and 52,003.86

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Solution

The fourth proportional to 126,902.94, 190,355.76 and 52,003.86 is: 78,006.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,902.94 : 190,355.76 = 52,003.86 : x
  2. Step 2: Convert to fraction form
    126,902.94/190,355.76 = 52,003.86/x
  3. Step 3: Cross multiply
    126,902.94x = 190,355.76 × 52,003.86
  4. Step 4: Simplify right side
    126,902.94x = 9,899,234,293.23
  5. Step 5: Solve for x
    x = 9,899,234,293.23/126,902.94
  6. Step 6: Final answer
    x = 78,006.34

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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.