Home / 132,268.20-182,531.43-71,839.41

Finding the Fourth Proportional to 132,268.20, 182,531.43 and 71,839.41

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Solution

The fourth proportional to 132,268.20, 182,531.43 and 71,839.41 is: 99,139.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,268.20 : 182,531.43 = 71,839.41 : x
  2. Step 2: Convert to fraction form
    132,268.20/182,531.43 = 71,839.41/x
  3. Step 3: Cross multiply
    132,268.20x = 182,531.43 × 71,839.41
  4. Step 4: Simplify right side
    132,268.20x = 13,112,950,237.66
  5. Step 5: Solve for x
    x = 13,112,950,237.66/132,268.20
  6. Step 6: Final answer
    x = 99,139.10

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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.