Home / 131,043.88-196,449.46-51,063.32

Finding the Fourth Proportional to 131,043.88, 196,449.46 and 51,063.32

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Solution

The fourth proportional to 131,043.88, 196,449.46 and 51,063.32 is: 76,549.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,043.88 : 196,449.46 = 51,063.32 : x
  2. Step 2: Convert to fraction form
    131,043.88/196,449.46 = 51,063.32/x
  3. Step 3: Cross multiply
    131,043.88x = 196,449.46 × 51,063.32
  4. Step 4: Simplify right side
    131,043.88x = 10,031,361,639.81
  5. Step 5: Solve for x
    x = 10,031,361,639.81/131,043.88
  6. Step 6: Final answer
    x = 76,549.64

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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.