Home / 240,743.86-361,072.02-72,224.56

Finding the Fourth Proportional to 240,743.86, 361,072.02 and 72,224.56

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Solution

The fourth proportional to 240,743.86, 361,072.02 and 72,224.56 is: 108,323.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,743.86 : 361,072.02 = 72,224.56 : x
  2. Step 2: Convert to fraction form
    240,743.86/361,072.02 = 72,224.56/x
  3. Step 3: Cross multiply
    240,743.86x = 361,072.02 × 72,224.56
  4. Step 4: Simplify right side
    240,743.86x = 26,078,267,772.81
  5. Step 5: Solve for x
    x = 26,078,267,772.81/240,743.86
  6. Step 6: Final answer
    x = 108,323.71

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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.