Home / 217,947.74-300,658.19-189,228.33

Finding the Fourth Proportional to 217,947.74, 300,658.19 and 189,228.33

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Solution

The fourth proportional to 217,947.74, 300,658.19 and 189,228.33 is: 261,039.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,947.74 : 300,658.19 = 189,228.33 : x
  2. Step 2: Convert to fraction form
    217,947.74/300,658.19 = 189,228.33/x
  3. Step 3: Cross multiply
    217,947.74x = 300,658.19 × 189,228.33
  4. Step 4: Simplify right side
    217,947.74x = 56,893,046,248.38
  5. Step 5: Solve for x
    x = 56,893,046,248.38/217,947.74
  6. Step 6: Final answer
    x = 261,039.86

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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.