Home / 126,092.09-174,030.22-80,789.60

Finding the Fourth Proportional to 126,092.09, 174,030.22 and 80,789.60

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Solution

The fourth proportional to 126,092.09, 174,030.22 and 80,789.60 is: 111,504.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,092.09 : 174,030.22 = 80,789.60 : x
  2. Step 2: Convert to fraction form
    126,092.09/174,030.22 = 80,789.60/x
  3. Step 3: Cross multiply
    126,092.09x = 174,030.22 × 80,789.60
  4. Step 4: Simplify right side
    126,092.09x = 14,059,832,397.77
  5. Step 5: Solve for x
    x = 14,059,832,397.77/126,092.09
  6. Step 6: Final answer
    x = 111,504.47

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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.