Home / 129,016.80-193,136.40-113,464.80

Finding the Fourth Proportional to 129,016.80, 193,136.40 and 113,464.80

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Solution

The fourth proportional to 129,016.80, 193,136.40 and 113,464.80 is: 169,855.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,016.80 : 193,136.40 = 113,464.80 : x
  2. Step 2: Convert to fraction form
    129,016.80/193,136.40 = 113,464.80/x
  3. Step 3: Cross multiply
    129,016.80x = 193,136.40 × 113,464.80
  4. Step 4: Simplify right side
    129,016.80x = 21,914,182,998.72
  5. Step 5: Solve for x
    x = 21,914,182,998.72/129,016.80
  6. Step 6: Final answer
    x = 169,855.27

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1.5x scale

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.