Home / 219,979.38-303,571.55-119,377.38

Finding the Fourth Proportional to 219,979.38, 303,571.55 and 119,377.38

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Solution

The fourth proportional to 219,979.38, 303,571.55 and 119,377.38 is: 164,740.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,979.38 : 303,571.55 = 119,377.38 : x
  2. Step 2: Convert to fraction form
    219,979.38/303,571.55 = 119,377.38/x
  3. Step 3: Cross multiply
    219,979.38x = 303,571.55 × 119,377.38
  4. Step 4: Simplify right side
    219,979.38x = 36,239,576,281.54
  5. Step 5: Solve for x
    x = 36,239,576,281.54/219,979.38
  6. Step 6: Final answer
    x = 164,740.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.