Home / 126,704.88-190,057.30-58,309.53

Finding the Fourth Proportional to 126,704.88, 190,057.30 and 58,309.53

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Solution

The fourth proportional to 126,704.88, 190,057.30 and 58,309.53 is: 87,464.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,704.88 : 190,057.30 = 58,309.53 : x
  2. Step 2: Convert to fraction form
    126,704.88/190,057.30 = 58,309.53/x
  3. Step 3: Cross multiply
    126,704.88x = 190,057.30 × 58,309.53
  4. Step 4: Simplify right side
    126,704.88x = 11,082,151,690.30
  5. Step 5: Solve for x
    x = 11,082,151,690.30/126,704.88
  6. Step 6: Final answer
    x = 87,464.28

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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.