Home / 126,891.88-190,306.63-55,832.36

Finding the Fourth Proportional to 126,891.88, 190,306.63 and 55,832.36

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Solution

The fourth proportional to 126,891.88, 190,306.63 and 55,832.36 is: 83,734.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,891.88 : 190,306.63 = 55,832.36 : x
  2. Step 2: Convert to fraction form
    126,891.88/190,306.63 = 55,832.36/x
  3. Step 3: Cross multiply
    126,891.88x = 190,306.63 × 55,832.36
  4. Step 4: Simplify right side
    126,891.88x = 10,625,268,276.55
  5. Step 5: Solve for x
    x = 10,625,268,276.55/126,891.88
  6. Step 6: Final answer
    x = 83,734.82

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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.