Home / 131,086.97-196,634.81-36,318.10

Finding the Fourth Proportional to 131,086.97, 196,634.81 and 36,318.10

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Solution

The fourth proportional to 131,086.97, 196,634.81 and 36,318.10 is: 54,478.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,086.97 : 196,634.81 = 36,318.10 : x
  2. Step 2: Convert to fraction form
    131,086.97/196,634.81 = 36,318.10/x
  3. Step 3: Cross multiply
    131,086.97x = 196,634.81 × 36,318.10
  4. Step 4: Simplify right side
    131,086.97x = 7,141,402,693.06
  5. Step 5: Solve for x
    x = 7,141,402,693.06/131,086.97
  6. Step 6: Final answer
    x = 54,478.36

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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.