Home / 131,309.02-196,947.09-36,546.31

Finding the Fourth Proportional to 131,309.02, 196,947.09 and 36,546.31

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Solution

The fourth proportional to 131,309.02, 196,947.09 and 36,546.31 is: 54,814.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,309.02 : 196,947.09 = 36,546.31 : x
  2. Step 2: Convert to fraction form
    131,309.02/196,947.09 = 36,546.31/x
  3. Step 3: Cross multiply
    131,309.02x = 196,947.09 × 36,546.31
  4. Step 4: Simplify right side
    131,309.02x = 7,197,689,404.74
  5. Step 5: Solve for x
    x = 7,197,689,404.74/131,309.02
  6. Step 6: Final answer
    x = 54,814.89

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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.