Home / 204,825.90-307,238.34-55,066.18

Finding the Fourth Proportional to 204,825.90, 307,238.34 and 55,066.18

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Solution

The fourth proportional to 204,825.90, 307,238.34 and 55,066.18 is: 82,599.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,825.90 : 307,238.34 = 55,066.18 : x
  2. Step 2: Convert to fraction form
    204,825.90/307,238.34 = 55,066.18/x
  3. Step 3: Cross multiply
    204,825.90x = 307,238.34 × 55,066.18
  4. Step 4: Simplify right side
    204,825.90x = 16,918,440,689.91
  5. Step 5: Solve for x
    x = 16,918,440,689.91/204,825.90
  6. Step 6: Final answer
    x = 82,599.13

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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.