Home / 315,033.20-472,247.40-104,562.80

Finding the Fourth Proportional to 315,033.20, 472,247.40 and 104,562.80

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Solution

The fourth proportional to 315,033.20, 472,247.40 and 104,562.80 is: 156,743.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,033.20 : 472,247.40 = 104,562.80 : x
  2. Step 2: Convert to fraction form
    315,033.20/472,247.40 = 104,562.80/x
  3. Step 3: Cross multiply
    315,033.20x = 472,247.40 × 104,562.80
  4. Step 4: Simplify right side
    315,033.20x = 49,379,510,436.72
  5. Step 5: Solve for x
    x = 49,379,510,436.72/315,033.20
  6. Step 6: Final answer
    x = 156,743.83

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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.