Home / 363,945.20-545,968.76-127,234.04

Finding the Fourth Proportional to 363,945.20, 545,968.76 and 127,234.04

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Solution

The fourth proportional to 363,945.20, 545,968.76 and 127,234.04 is: 190,868.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,945.20 : 545,968.76 = 127,234.04 : x
  2. Step 2: Convert to fraction form
    363,945.20/545,968.76 = 127,234.04/x
  3. Step 3: Cross multiply
    363,945.20x = 545,968.76 × 127,234.04
  4. Step 4: Simplify right side
    363,945.20x = 69,465,807,682.58
  5. Step 5: Solve for x
    x = 69,465,807,682.58/363,945.20
  6. Step 6: Final answer
    x = 190,868.87

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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.