Home / 294,784.20-406,480.98-199,124.84

Finding the Fourth Proportional to 294,784.20, 406,480.98 and 199,124.84

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Solution

The fourth proportional to 294,784.20, 406,480.98 and 199,124.84 is: 274,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,784.20 : 406,480.98 = 199,124.84 : x
  2. Step 2: Convert to fraction form
    294,784.20/406,480.98 = 199,124.84/x
  3. Step 3: Cross multiply
    294,784.20x = 406,480.98 × 199,124.84
  4. Step 4: Simplify right side
    294,784.20x = 80,940,460,105.54
  5. Step 5: Solve for x
    x = 80,940,460,105.54/294,784.20
  6. Step 6: Final answer
    x = 274,575.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.