Home / 115,456.20-173,189.70-36,576.60

Finding the Fourth Proportional to 115,456.20, 173,189.70 and 36,576.60

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Solution

The fourth proportional to 115,456.20, 173,189.70 and 36,576.60 is: 54,866.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,456.20 : 173,189.70 = 36,576.60 : x
  2. Step 2: Convert to fraction form
    115,456.20/173,189.70 = 36,576.60/x
  3. Step 3: Cross multiply
    115,456.20x = 173,189.70 × 36,576.60
  4. Step 4: Simplify right side
    115,456.20x = 6,334,690,381.02
  5. Step 5: Solve for x
    x = 6,334,690,381.02/115,456.20
  6. Step 6: Final answer
    x = 54,866.61

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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.