Home / 131,257.60-196,912.32-48,152.32

Finding the Fourth Proportional to 131,257.60, 196,912.32 and 48,152.32

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Solution

The fourth proportional to 131,257.60, 196,912.32 and 48,152.32 is: 72,237.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,257.60 : 196,912.32 = 48,152.32 : x
  2. Step 2: Convert to fraction form
    131,257.60/196,912.32 = 48,152.32/x
  3. Step 3: Cross multiply
    131,257.60x = 196,912.32 × 48,152.32
  4. Step 4: Simplify right side
    131,257.60x = 9,481,785,044.58
  5. Step 5: Solve for x
    x = 9,481,785,044.58/131,257.60
  6. Step 6: Final answer
    x = 72,237.99

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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.