Home / 131,087.34-196,635.37-36,318.48

Finding the Fourth Proportional to 131,087.34, 196,635.37 and 36,318.48

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Solution

The fourth proportional to 131,087.34, 196,635.37 and 36,318.48 is: 54,478.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,087.34 : 196,635.37 = 36,318.48 : x
  2. Step 2: Convert to fraction form
    131,087.34/196,635.37 = 36,318.48/x
  3. Step 3: Cross multiply
    131,087.34x = 196,635.37 × 36,318.48
  4. Step 4: Simplify right side
    131,087.34x = 7,141,497,661.84
  5. Step 5: Solve for x
    x = 7,141,497,661.84/131,087.34
  6. Step 6: Final answer
    x = 54,478.93

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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.