Home / 151,509.62-227,331.38-79,445.32

Finding the Fourth Proportional to 151,509.62, 227,331.38 and 79,445.32

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Solution

The fourth proportional to 151,509.62, 227,331.38 and 79,445.32 is: 119,203.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,509.62 : 227,331.38 = 79,445.32 : x
  2. Step 2: Convert to fraction form
    151,509.62/227,331.38 = 79,445.32/x
  3. Step 3: Cross multiply
    151,509.62x = 227,331.38 × 79,445.32
  4. Step 4: Simplify right side
    151,509.62x = 18,060,414,230.14
  5. Step 5: Solve for x
    x = 18,060,414,230.14/151,509.62
  6. Step 6: Final answer
    x = 119,203.09

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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.