Home / 206,259.23-309,389.09-56,500.81

Finding the Fourth Proportional to 206,259.23, 309,389.09 and 56,500.81

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Solution

The fourth proportional to 206,259.23, 309,389.09 and 56,500.81 is: 84,751.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,259.23 : 309,389.09 = 56,500.81 : x
  2. Step 2: Convert to fraction form
    206,259.23/309,389.09 = 56,500.81/x
  3. Step 3: Cross multiply
    206,259.23x = 309,389.09 × 56,500.81
  4. Step 4: Simplify right side
    206,259.23x = 17,480,734,190.16
  5. Step 5: Solve for x
    x = 17,480,734,190.16/206,259.23
  6. Step 6: Final answer
    x = 84,751.28

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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.