Home / 132,091.02-182,286-71,661.96

Finding the Fourth Proportional to 132,091.02, 182,286 and 71,661.96

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Solution

The fourth proportional to 132,091.02, 182,286 and 71,661.96 is: 98,893.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,091.02 : 182,286 = 71,661.96 : x
  2. Step 2: Convert to fraction form
    132,091.02/182,286 = 71,661.96/x
  3. Step 3: Cross multiply
    132,091.02x = 182,286 × 71,661.96
  4. Step 4: Simplify right side
    132,091.02x = 13,062,972,040.56
  5. Step 5: Solve for x
    x = 13,062,972,040.56/132,091.02
  6. Step 6: Final answer
    x = 98,893.72

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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.