Home / 223,218.40-334,789.20-82,904.80

Finding the Fourth Proportional to 223,218.40, 334,789.20 and 82,904.80

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Solution

The fourth proportional to 223,218.40, 334,789.20 and 82,904.80 is: 124,342.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,218.40 : 334,789.20 = 82,904.80 : x
  2. Step 2: Convert to fraction form
    223,218.40/334,789.20 = 82,904.80/x
  3. Step 3: Cross multiply
    223,218.40x = 334,789.20 × 82,904.80
  4. Step 4: Simplify right side
    223,218.40x = 27,755,631,668.16
  5. Step 5: Solve for x
    x = 27,755,631,668.16/223,218.40
  6. Step 6: Final answer
    x = 124,342.94

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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.