Home / 132,531.39-183,003.69-122,915.27

Finding the Fourth Proportional to 132,531.39, 183,003.69 and 122,915.27

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Solution

The fourth proportional to 132,531.39, 183,003.69 and 122,915.27 is: 169,725.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,531.39 : 183,003.69 = 122,915.27 : x
  2. Step 2: Convert to fraction form
    132,531.39/183,003.69 = 122,915.27/x
  3. Step 3: Cross multiply
    132,531.39x = 183,003.69 × 122,915.27
  4. Step 4: Simplify right side
    132,531.39x = 22,493,947,052.33
  5. Step 5: Solve for x
    x = 22,493,947,052.33/132,531.39
  6. Step 6: Final answer
    x = 169,725.43

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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.