Home / 295,048.20-442,572.30-272,238.60

Finding the Fourth Proportional to 295,048.20, 442,572.30 and 272,238.60

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Solution

The fourth proportional to 295,048.20, 442,572.30 and 272,238.60 is: 408,357.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,048.20 : 442,572.30 = 272,238.60 : x
  2. Step 2: Convert to fraction form
    295,048.20/442,572.30 = 272,238.60/x
  3. Step 3: Cross multiply
    295,048.20x = 442,572.30 × 272,238.60
  4. Step 4: Simplify right side
    295,048.20x = 120,485,263,350.78
  5. Step 5: Solve for x
    x = 120,485,263,350.78/295,048.20
  6. Step 6: Final answer
    x = 408,357.90

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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.