Home / 126,371.64-174,329.90-75,348.44

Finding the Fourth Proportional to 126,371.64, 174,329.90 and 75,348.44

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Solution

The fourth proportional to 126,371.64, 174,329.90 and 75,348.44 is: 103,943.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,371.64 : 174,329.90 = 75,348.44 : x
  2. Step 2: Convert to fraction form
    126,371.64/174,329.90 = 75,348.44/x
  3. Step 3: Cross multiply
    126,371.64x = 174,329.90 × 75,348.44
  4. Step 4: Simplify right side
    126,371.64x = 13,135,486,010.36
  5. Step 5: Solve for x
    x = 13,135,486,010.36/126,371.64
  6. Step 6: Final answer
    x = 103,943.31

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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.