Home / 175,915.78-263,948.39-87,170.96

Finding the Fourth Proportional to 175,915.78, 263,948.39 and 87,170.96

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Solution

The fourth proportional to 175,915.78, 263,948.39 and 87,170.96 is: 130,793.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,915.78 : 263,948.39 = 87,170.96 : x
  2. Step 2: Convert to fraction form
    175,915.78/263,948.39 = 87,170.96/x
  3. Step 3: Cross multiply
    175,915.78x = 263,948.39 × 87,170.96
  4. Step 4: Simplify right side
    175,915.78x = 23,008,634,546.75
  5. Step 5: Solve for x
    x = 23,008,634,546.75/175,915.78
  6. Step 6: Final answer
    x = 130,793.47

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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.