Home / 195,438.78-293,159.34-55,198.62

Finding the Fourth Proportional to 195,438.78, 293,159.34 and 55,198.62

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Solution

The fourth proportional to 195,438.78, 293,159.34 and 55,198.62 is: 82,798.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,438.78 : 293,159.34 = 55,198.62 : x
  2. Step 2: Convert to fraction form
    195,438.78/293,159.34 = 55,198.62/x
  3. Step 3: Cross multiply
    195,438.78x = 293,159.34 × 55,198.62
  4. Step 4: Simplify right side
    195,438.78x = 16,181,991,008.11
  5. Step 5: Solve for x
    x = 16,181,991,008.11/195,438.78
  6. Step 6: Final answer
    x = 82,798.26

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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.