Home / 126,955.02-190,383.24-67,758.42

Finding the Fourth Proportional to 126,955.02, 190,383.24 and 67,758.42

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Solution

The fourth proportional to 126,955.02, 190,383.24 and 67,758.42 is: 101,611.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,955.02 : 190,383.24 = 67,758.42 : x
  2. Step 2: Convert to fraction form
    126,955.02/190,383.24 = 67,758.42/x
  3. Step 3: Cross multiply
    126,955.02x = 190,383.24 × 67,758.42
  4. Step 4: Simplify right side
    126,955.02x = 12,900,067,536.88
  5. Step 5: Solve for x
    x = 12,900,067,536.88/126,955.02
  6. Step 6: Final answer
    x = 101,611.32

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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.