Home / 126,819.93-190,223.98-51,921.56

Finding the Fourth Proportional to 126,819.93, 190,223.98 and 51,921.56

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Solution

The fourth proportional to 126,819.93, 190,223.98 and 51,921.56 is: 77,879.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,819.93 : 190,223.98 = 51,921.56 : x
  2. Step 2: Convert to fraction form
    126,819.93/190,223.98 = 51,921.56/x
  3. Step 3: Cross multiply
    126,819.93x = 190,223.98 × 51,921.56
  4. Step 4: Simplify right side
    126,819.93x = 9,876,725,791.01
  5. Step 5: Solve for x
    x = 9,876,725,791.01/126,819.93
  6. Step 6: Final answer
    x = 77,879.92

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1.5x scale

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.