Home / 132,268.22-182,531.46-71,840.05

Finding the Fourth Proportional to 132,268.22, 182,531.46 and 71,840.05

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Solution

The fourth proportional to 132,268.22, 182,531.46 and 71,840.05 is: 99,139.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,268.22 : 182,531.46 = 71,840.05 : x
  2. Step 2: Convert to fraction form
    132,268.22/182,531.46 = 71,840.05/x
  3. Step 3: Cross multiply
    132,268.22x = 182,531.46 × 71,840.05
  4. Step 4: Simplify right side
    132,268.22x = 13,113,069,212.97
  5. Step 5: Solve for x
    x = 13,113,069,212.97/132,268.22
  6. Step 6: Final answer
    x = 99,139.98

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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.