Home / 131,285.88-196,462.26-96,138.36

Finding the Fourth Proportional to 131,285.88, 196,462.26 and 96,138.36

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Solution

The fourth proportional to 131,285.88, 196,462.26 and 96,138.36 is: 143,865.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,285.88 : 196,462.26 = 96,138.36 : x
  2. Step 2: Convert to fraction form
    131,285.88/196,462.26 = 96,138.36/x
  3. Step 3: Cross multiply
    131,285.88x = 196,462.26 × 96,138.36
  4. Step 4: Simplify right side
    131,285.88x = 18,887,559,478.29
  5. Step 5: Solve for x
    x = 18,887,559,478.29/131,285.88
  6. Step 6: Final answer
    x = 143,865.89

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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.