Home / 226,020.20-338,814.30-83,827.40

Finding the Fourth Proportional to 226,020.20, 338,814.30 and 83,827.40

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Solution

The fourth proportional to 226,020.20, 338,814.30 and 83,827.40 is: 125,660.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,020.20 : 338,814.30 = 83,827.40 : x
  2. Step 2: Convert to fraction form
    226,020.20/338,814.30 = 83,827.40/x
  3. Step 3: Cross multiply
    226,020.20x = 338,814.30 × 83,827.40
  4. Step 4: Simplify right side
    226,020.20x = 28,401,921,851.82
  5. Step 5: Solve for x
    x = 28,401,921,851.82/226,020.20
  6. Step 6: Final answer
    x = 125,660.99

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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.