Home / 151,405.05-227,052.90-76,500.30

Finding the Fourth Proportional to 151,405.05, 227,052.90 and 76,500.30

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Solution

The fourth proportional to 151,405.05, 227,052.90 and 76,500.30 is: 114,722.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,405.05 : 227,052.90 = 76,500.30 : x
  2. Step 2: Convert to fraction form
    151,405.05/227,052.90 = 76,500.30/x
  3. Step 3: Cross multiply
    151,405.05x = 227,052.90 × 76,500.30
  4. Step 4: Simplify right side
    151,405.05x = 17,369,614,965.87
  5. Step 5: Solve for x
    x = 17,369,614,965.87/151,405.05
  6. Step 6: Final answer
    x = 114,722.82

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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.