Home / 167,780.40-251,962.20-162,531.60

Finding the Fourth Proportional to 167,780.40, 251,962.20 and 162,531.60

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Solution

The fourth proportional to 167,780.40, 251,962.20 and 162,531.60 is: 244,079.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,780.40 : 251,962.20 = 162,531.60 : x
  2. Step 2: Convert to fraction form
    167,780.40/251,962.20 = 162,531.60/x
  3. Step 3: Cross multiply
    167,780.40x = 251,962.20 × 162,531.60
  4. Step 4: Simplify right side
    167,780.40x = 40,951,819,505.52
  5. Step 5: Solve for x
    x = 40,951,819,505.52/167,780.40
  6. Step 6: Final answer
    x = 244,079.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.