Home / 151,703.20-227,700.60-76,907.80

Finding the Fourth Proportional to 151,703.20, 227,700.60 and 76,907.80

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Solution

The fourth proportional to 151,703.20, 227,700.60 and 76,907.80 is: 115,435.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,703.20 : 227,700.60 = 76,907.80 : x
  2. Step 2: Convert to fraction form
    151,703.20/227,700.60 = 76,907.80/x
  3. Step 3: Cross multiply
    151,703.20x = 227,700.60 × 76,907.80
  4. Step 4: Simplify right side
    151,703.20x = 17,511,952,204.68
  5. Step 5: Solve for x
    x = 17,511,952,204.68/151,703.20
  6. Step 6: Final answer
    x = 115,435.62

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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.