Home / 131,024.43-196,536.66-86,932.89

Finding the Fourth Proportional to 131,024.43, 196,536.66 and 86,932.89

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Solution

The fourth proportional to 131,024.43, 196,536.66 and 86,932.89 is: 130,399.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,024.43 : 196,536.66 = 86,932.89 : x
  2. Step 2: Convert to fraction form
    131,024.43/196,536.66 = 86,932.89/x
  3. Step 3: Cross multiply
    131,024.43x = 196,536.66 × 86,932.89
  4. Step 4: Simplify right side
    131,024.43x = 17,085,499,844.75
  5. Step 5: Solve for x
    x = 17,085,499,844.75/131,024.43
  6. Step 6: Final answer
    x = 130,399.34

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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.