Home / 131,168.32-196,635.60-48,042.88

Finding the Fourth Proportional to 131,168.32, 196,635.60 and 48,042.88

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Solution

The fourth proportional to 131,168.32, 196,635.60 and 48,042.88 is: 72,021.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,168.32 : 196,635.60 = 48,042.88 : x
  2. Step 2: Convert to fraction form
    131,168.32/196,635.60 = 48,042.88/x
  3. Step 3: Cross multiply
    131,168.32x = 196,635.60 × 48,042.88
  4. Step 4: Simplify right side
    131,168.32x = 9,446,940,534.53
  5. Step 5: Solve for x
    x = 9,446,940,534.53/131,168.32
  6. Step 6: Final answer
    x = 72,021.51

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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.