Home / 206,333.88-309,480.07-56,589.23

Finding the Fourth Proportional to 206,333.88, 309,480.07 and 56,589.23

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Solution

The fourth proportional to 206,333.88, 309,480.07 and 56,589.23 is: 84,878.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,333.88 : 309,480.07 = 56,589.23 : x
  2. Step 2: Convert to fraction form
    206,333.88/309,480.07 = 56,589.23/x
  3. Step 3: Cross multiply
    206,333.88x = 309,480.07 × 56,589.23
  4. Step 4: Simplify right side
    206,333.88x = 17,513,238,861.65
  5. Step 5: Solve for x
    x = 17,513,238,861.65/206,333.88
  6. Step 6: Final answer
    x = 84,878.15

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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.