Home / 195,629.40-293,103.90-90,232.20

Finding the Fourth Proportional to 195,629.40, 293,103.90 and 90,232.20

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Solution

The fourth proportional to 195,629.40, 293,103.90 and 90,232.20 is: 135,191.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,629.40 : 293,103.90 = 90,232.20 : x
  2. Step 2: Convert to fraction form
    195,629.40/293,103.90 = 90,232.20/x
  3. Step 3: Cross multiply
    195,629.40x = 293,103.90 × 90,232.20
  4. Step 4: Simplify right side
    195,629.40x = 26,447,409,725.58
  5. Step 5: Solve for x
    x = 26,447,409,725.58/195,629.40
  6. Step 6: Final answer
    x = 135,191.39

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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.