Home / 206,162.28-309,244.77-56,399.22

Finding the Fourth Proportional to 206,162.28, 309,244.77 and 56,399.22

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Solution

The fourth proportional to 206,162.28, 309,244.77 and 56,399.22 is: 84,599.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,162.28 : 309,244.77 = 56,399.22 : x
  2. Step 2: Convert to fraction form
    206,162.28/309,244.77 = 56,399.22/x
  3. Step 3: Cross multiply
    206,162.28x = 309,244.77 × 56,399.22
  4. Step 4: Simplify right side
    206,162.28x = 17,441,163,817.08
  5. Step 5: Solve for x
    x = 17,441,163,817.08/206,162.28
  6. Step 6: Final answer
    x = 84,599.20

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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.