Home / 131,087.22-196,635.18-36,318.36

Finding the Fourth Proportional to 131,087.22, 196,635.18 and 36,318.36

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Solution

The fourth proportional to 131,087.22, 196,635.18 and 36,318.36 is: 54,478.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,087.22 : 196,635.18 = 36,318.36 : x
  2. Step 2: Convert to fraction form
    131,087.22/196,635.18 = 36,318.36/x
  3. Step 3: Cross multiply
    131,087.22x = 196,635.18 × 36,318.36
  4. Step 4: Simplify right side
    131,087.22x = 7,141,466,272.73
  5. Step 5: Solve for x
    x = 7,141,466,272.73/131,087.22
  6. Step 6: Final answer
    x = 54,478.74

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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.