Home / 204,354.96-306,561.18-71,216.10

Finding the Fourth Proportional to 204,354.96, 306,561.18 and 71,216.10

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Solution

The fourth proportional to 204,354.96, 306,561.18 and 71,216.10 is: 106,834.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,354.96 : 306,561.18 = 71,216.10 : x
  2. Step 2: Convert to fraction form
    204,354.96/306,561.18 = 71,216.10/x
  3. Step 3: Cross multiply
    204,354.96x = 306,561.18 × 71,216.10
  4. Step 4: Simplify right side
    204,354.96x = 21,832,091,651.00
  5. Step 5: Solve for x
    x = 21,832,091,651.00/204,354.96
  6. Step 6: Final answer
    x = 106,834.17

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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.