Home / 159,273.18-239,057.39-80,442.77

Finding the Fourth Proportional to 159,273.18, 239,057.39 and 80,442.77

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Solution

The fourth proportional to 159,273.18, 239,057.39 and 80,442.77 is: 120,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,273.18 : 239,057.39 = 80,442.77 : x
  2. Step 2: Convert to fraction form
    159,273.18/239,057.39 = 80,442.77/x
  3. Step 3: Cross multiply
    159,273.18x = 239,057.39 × 80,442.77
  4. Step 4: Simplify right side
    159,273.18x = 19,230,437,646.39
  5. Step 5: Solve for x
    x = 19,230,437,646.39/159,273.18
  6. Step 6: Final answer
    x = 120,738.71

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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.