Home / 165,621.90-248,311.35-65,732.70

Finding the Fourth Proportional to 165,621.90, 248,311.35 and 65,732.70

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Solution

The fourth proportional to 165,621.90, 248,311.35 and 65,732.70 is: 98,550.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,621.90 : 248,311.35 = 65,732.70 : x
  2. Step 2: Convert to fraction form
    165,621.90/248,311.35 = 65,732.70/x
  3. Step 3: Cross multiply
    165,621.90x = 248,311.35 × 65,732.70
  4. Step 4: Simplify right side
    165,621.90x = 16,322,175,476.15
  5. Step 5: Solve for x
    x = 16,322,175,476.15/165,621.90
  6. Step 6: Final answer
    x = 98,550.83

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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.