Home / 132,144.92-182,361.32-71,716.08

Finding the Fourth Proportional to 132,144.92, 182,361.32 and 71,716.08

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Solution

The fourth proportional to 132,144.92, 182,361.32 and 71,716.08 is: 98,968.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,144.92 : 182,361.32 = 71,716.08 : x
  2. Step 2: Convert to fraction form
    132,144.92/182,361.32 = 71,716.08/x
  3. Step 3: Cross multiply
    132,144.92x = 182,361.32 × 71,716.08
  4. Step 4: Simplify right side
    132,144.92x = 13,078,239,014.03
  5. Step 5: Solve for x
    x = 13,078,239,014.03/132,144.92
  6. Step 6: Final answer
    x = 98,968.91

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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.