Home / 151,821.20-227,796.60-72,894.80

Finding the Fourth Proportional to 151,821.20, 227,796.60 and 72,894.80

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Solution

The fourth proportional to 151,821.20, 227,796.60 and 72,894.80 is: 109,373.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,821.20 : 227,796.60 = 72,894.80 : x
  2. Step 2: Convert to fraction form
    151,821.20/227,796.60 = 72,894.80/x
  3. Step 3: Cross multiply
    151,821.20x = 227,796.60 × 72,894.80
  4. Step 4: Simplify right side
    151,821.20x = 16,605,187,597.68
  5. Step 5: Solve for x
    x = 16,605,187,597.68/151,821.20
  6. Step 6: Final answer
    x = 109,373.31

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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.