Home / 213,979.96-295,291.80-123,335.18

Finding the Fourth Proportional to 213,979.96, 295,291.80 and 123,335.18

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Solution

The fourth proportional to 213,979.96, 295,291.80 and 123,335.18 is: 170,202.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,979.96 : 295,291.80 = 123,335.18 : x
  2. Step 2: Convert to fraction form
    213,979.96/295,291.80 = 123,335.18/x
  3. Step 3: Cross multiply
    213,979.96x = 295,291.80 × 123,335.18
  4. Step 4: Simplify right side
    213,979.96x = 36,419,867,305.52
  5. Step 5: Solve for x
    x = 36,419,867,305.52/213,979.96
  6. Step 6: Final answer
    x = 170,202.23

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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.