Home / 287,324.21-396,507.41-166,535.56

Finding the Fourth Proportional to 287,324.21, 396,507.41 and 166,535.56

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Solution

The fourth proportional to 287,324.21, 396,507.41 and 166,535.56 is: 229,819.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,324.21 : 396,507.41 = 166,535.56 : x
  2. Step 2: Convert to fraction form
    287,324.21/396,507.41 = 166,535.56/x
  3. Step 3: Cross multiply
    287,324.21x = 396,507.41 × 166,535.56
  4. Step 4: Simplify right side
    287,324.21x = 66,032,584,324.35
  5. Step 5: Solve for x
    x = 66,032,584,324.35/287,324.21
  6. Step 6: Final answer
    x = 229,819.07

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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.