Home / 132,164.70-182,382.40-71,734.04

Finding the Fourth Proportional to 132,164.70, 182,382.40 and 71,734.04

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Solution

The fourth proportional to 132,164.70, 182,382.40 and 71,734.04 is: 98,990.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,164.70 : 182,382.40 = 71,734.04 : x
  2. Step 2: Convert to fraction form
    132,164.70/182,382.40 = 71,734.04/x
  3. Step 3: Cross multiply
    132,164.70x = 182,382.40 × 71,734.04
  4. Step 4: Simplify right side
    132,164.70x = 13,083,026,376.90
  5. Step 5: Solve for x
    x = 13,083,026,376.90/132,164.70
  6. Step 6: Final answer
    x = 98,990.32

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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.