Home / 131,175.51-196,825.56-67,983.90

Finding the Fourth Proportional to 131,175.51, 196,825.56 and 67,983.90

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Solution

The fourth proportional to 131,175.51, 196,825.56 and 67,983.90 is: 102,008.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,175.51 : 196,825.56 = 67,983.90 : x
  2. Step 2: Convert to fraction form
    131,175.51/196,825.56 = 67,983.90/x
  3. Step 3: Cross multiply
    131,175.51x = 196,825.56 × 67,983.90
  4. Step 4: Simplify right side
    131,175.51x = 13,380,969,188.48
  5. Step 5: Solve for x
    x = 13,380,969,188.48/131,175.51
  6. Step 6: Final answer
    x = 102,008.14

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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.