Home / 129,617.40-194,426.10-46,500.60

Finding the Fourth Proportional to 129,617.40, 194,426.10 and 46,500.60

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Solution

The fourth proportional to 129,617.40, 194,426.10 and 46,500.60 is: 69,750.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,617.40 : 194,426.10 = 46,500.60 : x
  2. Step 2: Convert to fraction form
    129,617.40/194,426.10 = 46,500.60/x
  3. Step 3: Cross multiply
    129,617.40x = 194,426.10 × 46,500.60
  4. Step 4: Simplify right side
    129,617.40x = 9,040,930,305.66
  5. Step 5: Solve for x
    x = 9,040,930,305.66/129,617.40
  6. Step 6: Final answer
    x = 69,750.90

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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.