Home / 195,546.60-269,915.22-155,331.72

Finding the Fourth Proportional to 195,546.60, 269,915.22 and 155,331.72

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Solution

The fourth proportional to 195,546.60, 269,915.22 and 155,331.72 is: 214,406.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,546.60 : 269,915.22 = 155,331.72 : x
  2. Step 2: Convert to fraction form
    195,546.60/269,915.22 = 155,331.72/x
  3. Step 3: Cross multiply
    195,546.60x = 269,915.22 × 155,331.72
  4. Step 4: Simplify right side
    195,546.60x = 41,926,395,376.78
  5. Step 5: Solve for x
    x = 41,926,395,376.78/195,546.60
  6. Step 6: Final answer
    x = 214,406.16

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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.