Home / 126,984.44-175,203.06-100,043.32

Finding the Fourth Proportional to 126,984.44, 175,203.06 and 100,043.32

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Solution

The fourth proportional to 126,984.44, 175,203.06 and 100,043.32 is: 138,031.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,984.44 : 175,203.06 = 100,043.32 : x
  2. Step 2: Convert to fraction form
    126,984.44/175,203.06 = 100,043.32/x
  3. Step 3: Cross multiply
    126,984.44x = 175,203.06 × 100,043.32
  4. Step 4: Simplify right side
    126,984.44x = 17,527,895,796.56
  5. Step 5: Solve for x
    x = 17,527,895,796.56/126,984.44
  6. Step 6: Final answer
    x = 138,031.84

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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.