Home / 126,355.44-189,422.15-51,538.58

Finding the Fourth Proportional to 126,355.44, 189,422.15 and 51,538.58

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Solution

The fourth proportional to 126,355.44, 189,422.15 and 51,538.58 is: 77,262.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,355.44 : 189,422.15 = 51,538.58 : x
  2. Step 2: Convert to fraction form
    126,355.44/189,422.15 = 51,538.58/x
  3. Step 3: Cross multiply
    126,355.44x = 189,422.15 × 51,538.58
  4. Step 4: Simplify right side
    126,355.44x = 9,762,548,137.08
  5. Step 5: Solve for x
    x = 9,762,548,137.08/126,355.44
  6. Step 6: Final answer
    x = 77,262.58

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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.