Home / 319,362.05-479,024.27-119,665.73

Finding the Fourth Proportional to 319,362.05, 479,024.27 and 119,665.73

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Solution

The fourth proportional to 319,362.05, 479,024.27 and 119,665.73 is: 179,491.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,362.05 : 479,024.27 = 119,665.73 : x
  2. Step 2: Convert to fraction form
    319,362.05/479,024.27 = 119,665.73/x
  3. Step 3: Cross multiply
    319,362.05x = 479,024.27 × 119,665.73
  4. Step 4: Simplify right side
    319,362.05x = 57,322,785,963.82
  5. Step 5: Solve for x
    x = 57,322,785,963.82/319,362.05
  6. Step 6: Final answer
    x = 179,491.54

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1.5x scale

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.