Home / 195,439.78-293,160.84-55,199.62

Finding the Fourth Proportional to 195,439.78, 293,160.84 and 55,199.62

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Solution

The fourth proportional to 195,439.78, 293,160.84 and 55,199.62 is: 82,799.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,439.78 : 293,160.84 = 55,199.62 : x
  2. Step 2: Convert to fraction form
    195,439.78/293,160.84 = 55,199.62/x
  3. Step 3: Cross multiply
    195,439.78x = 293,160.84 × 55,199.62
  4. Step 4: Simplify right side
    195,439.78x = 16,182,366,966.88
  5. Step 5: Solve for x
    x = 16,182,366,966.88/195,439.78
  6. Step 6: Final answer
    x = 82,799.76

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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.