Home / 151,849.20-227,768.40-68,743.20

Finding the Fourth Proportional to 151,849.20, 227,768.40 and 68,743.20

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Solution

The fourth proportional to 151,849.20, 227,768.40 and 68,743.20 is: 103,112.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,849.20 : 227,768.40 = 68,743.20 : x
  2. Step 2: Convert to fraction form
    151,849.20/227,768.40 = 68,743.20/x
  3. Step 3: Cross multiply
    151,849.20x = 227,768.40 × 68,743.20
  4. Step 4: Simplify right side
    151,849.20x = 15,657,528,674.88
  5. Step 5: Solve for x
    x = 15,657,528,674.88/151,849.20
  6. Step 6: Final answer
    x = 103,112.36

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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.