Home / 126,716.74-174,893.38-90,516.44

Finding the Fourth Proportional to 126,716.74, 174,893.38 and 90,516.44

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Solution

The fourth proportional to 126,716.74, 174,893.38 and 90,516.44 is: 124,930.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,716.74 : 174,893.38 = 90,516.44 : x
  2. Step 2: Convert to fraction form
    126,716.74/174,893.38 = 90,516.44/x
  3. Step 3: Cross multiply
    126,716.74x = 174,893.38 × 90,516.44
  4. Step 4: Simplify right side
    126,716.74x = 15,830,726,137.17
  5. Step 5: Solve for x
    x = 15,830,726,137.17/126,716.74
  6. Step 6: Final answer
    x = 124,930.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.