Home / 131,915.76-197,545.38-92,287.32

Finding the Fourth Proportional to 131,915.76, 197,545.38 and 92,287.32

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Solution

The fourth proportional to 131,915.76, 197,545.38 and 92,287.32 is: 138,201.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,915.76 : 197,545.38 = 92,287.32 : x
  2. Step 2: Convert to fraction form
    131,915.76/197,545.38 = 92,287.32/x
  3. Step 3: Cross multiply
    131,915.76x = 197,545.38 × 92,287.32
  4. Step 4: Simplify right side
    131,915.76x = 18,230,933,698.58
  5. Step 5: Solve for x
    x = 18,230,933,698.58/131,915.76
  6. Step 6: Final answer
    x = 138,201.33

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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.