Home / 126,316.26-174,310.31-71,863.30

Finding the Fourth Proportional to 126,316.26, 174,310.31 and 71,863.30

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Solution

The fourth proportional to 126,316.26, 174,310.31 and 71,863.30 is: 99,167.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,316.26 : 174,310.31 = 71,863.30 : x
  2. Step 2: Convert to fraction form
    126,316.26/174,310.31 = 71,863.30/x
  3. Step 3: Cross multiply
    126,316.26x = 174,310.31 × 71,863.30
  4. Step 4: Simplify right side
    126,316.26x = 12,526,513,229.07
  5. Step 5: Solve for x
    x = 12,526,513,229.07/126,316.26
  6. Step 6: Final answer
    x = 99,167.86

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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.