Home / 115,560.12-173,198.40-65,682

Finding the Fourth Proportional to 115,560.12, 173,198.40 and 65,682

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Solution

The fourth proportional to 115,560.12, 173,198.40 and 65,682 is: 98,442.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,560.12 : 173,198.40 = 65,682 : x
  2. Step 2: Convert to fraction form
    115,560.12/173,198.40 = 65,682/x
  3. Step 3: Cross multiply
    115,560.12x = 173,198.40 × 65,682
  4. Step 4: Simplify right side
    115,560.12x = 11,376,017,308.80
  5. Step 5: Solve for x
    x = 11,376,017,308.80/115,560.12
  6. Step 6: Final answer
    x = 98,442.42

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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.