Home / 206,396.24-309,594.69-56,638.58

Finding the Fourth Proportional to 206,396.24, 309,594.69 and 56,638.58

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Solution

The fourth proportional to 206,396.24, 309,594.69 and 56,638.58 is: 84,957.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,396.24 : 309,594.69 = 56,638.58 : x
  2. Step 2: Convert to fraction form
    206,396.24/309,594.69 = 56,638.58/x
  3. Step 3: Cross multiply
    206,396.24x = 309,594.69 × 56,638.58
  4. Step 4: Simplify right side
    206,396.24x = 17,535,002,069.17
  5. Step 5: Solve for x
    x = 17,535,002,069.17/206,396.24
  6. Step 6: Final answer
    x = 84,957.96

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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.