Home / 126,871.32-190,291.80-33,384.36

Finding the Fourth Proportional to 126,871.32, 190,291.80 and 33,384.36

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Solution

The fourth proportional to 126,871.32, 190,291.80 and 33,384.36 is: 50,072.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,871.32 : 190,291.80 = 33,384.36 : x
  2. Step 2: Convert to fraction form
    126,871.32/190,291.80 = 33,384.36/x
  3. Step 3: Cross multiply
    126,871.32x = 190,291.80 × 33,384.36
  4. Step 4: Simplify right side
    126,871.32x = 6,352,769,956.25
  5. Step 5: Solve for x
    x = 6,352,769,956.25/126,871.32
  6. Step 6: Final answer
    x = 50,072.55

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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.