Home / 150,018.28-225,089.52-65,734.96

Finding the Fourth Proportional to 150,018.28, 225,089.52 and 65,734.96

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Solution

The fourth proportional to 150,018.28, 225,089.52 and 65,734.96 is: 98,629.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,018.28 : 225,089.52 = 65,734.96 : x
  2. Step 2: Convert to fraction form
    150,018.28/225,089.52 = 65,734.96/x
  3. Step 3: Cross multiply
    150,018.28x = 225,089.52 × 65,734.96
  4. Step 4: Simplify right side
    150,018.28x = 14,796,250,593.62
  5. Step 5: Solve for x
    x = 14,796,250,593.62/150,018.28
  6. Step 6: Final answer
    x = 98,629.65

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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.