Home / 217,181.20-325,883.27-103,457.80

Finding the Fourth Proportional to 217,181.20, 325,883.27 and 103,457.80

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Solution

The fourth proportional to 217,181.20, 325,883.27 and 103,457.80 is: 155,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,181.20 : 325,883.27 = 103,457.80 : x
  2. Step 2: Convert to fraction form
    217,181.20/325,883.27 = 103,457.80/x
  3. Step 3: Cross multiply
    217,181.20x = 325,883.27 × 103,457.80
  4. Step 4: Simplify right side
    217,181.20x = 33,715,166,171.01
  5. Step 5: Solve for x
    x = 33,715,166,171.01/217,181.20
  6. Step 6: Final answer
    x = 155,239.80

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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.