Home / 126,828.56-190,074.90-67,536.56

Finding the Fourth Proportional to 126,828.56, 190,074.90 and 67,536.56

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Solution

The fourth proportional to 126,828.56, 190,074.90 and 67,536.56 is: 101,215.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,828.56 : 190,074.90 = 67,536.56 : x
  2. Step 2: Convert to fraction form
    126,828.56/190,074.90 = 67,536.56/x
  3. Step 3: Cross multiply
    126,828.56x = 190,074.90 × 67,536.56
  4. Step 4: Simplify right side
    126,828.56x = 12,837,004,888.34
  5. Step 5: Solve for x
    x = 12,837,004,888.34/126,828.56
  6. Step 6: Final answer
    x = 101,215.41

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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.