Home / 129,854.80-194,757.54-45,595.09

Finding the Fourth Proportional to 129,854.80, 194,757.54 and 45,595.09

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Solution

The fourth proportional to 129,854.80, 194,757.54 and 45,595.09 is: 68,383.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,854.80 : 194,757.54 = 45,595.09 : x
  2. Step 2: Convert to fraction form
    129,854.80/194,757.54 = 45,595.09/x
  3. Step 3: Cross multiply
    129,854.80x = 194,757.54 × 45,595.09
  4. Step 4: Simplify right side
    129,854.80x = 8,879,987,564.48
  5. Step 5: Solve for x
    x = 8,879,987,564.48/129,854.80
  6. Step 6: Final answer
    x = 68,383.98

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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.