Home / 195,183.84-292,568.40-76,838.88

Finding the Fourth Proportional to 195,183.84, 292,568.40 and 76,838.88

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Solution

The fourth proportional to 195,183.84, 292,568.40 and 76,838.88 is: 115,176.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,183.84 : 292,568.40 = 76,838.88 : x
  2. Step 2: Convert to fraction form
    195,183.84/292,568.40 = 76,838.88/x
  3. Step 3: Cross multiply
    195,183.84x = 292,568.40 × 76,838.88
  4. Step 4: Simplify right side
    195,183.84x = 22,480,628,179.39
  5. Step 5: Solve for x
    x = 22,480,628,179.39/195,183.84
  6. Step 6: Final answer
    x = 115,176.69

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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.