Home / 171,305.82-256,965.93-52,979.40

Finding the Fourth Proportional to 171,305.82, 256,965.93 and 52,979.40

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Solution

The fourth proportional to 171,305.82, 256,965.93 and 52,979.40 is: 79,471.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,305.82 : 256,965.93 = 52,979.40 : x
  2. Step 2: Convert to fraction form
    171,305.82/256,965.93 = 52,979.40/x
  3. Step 3: Cross multiply
    171,305.82x = 256,965.93 × 52,979.40
  4. Step 4: Simplify right side
    171,305.82x = 13,613,900,791.84
  5. Step 5: Solve for x
    x = 13,613,900,791.84/171,305.82
  6. Step 6: Final answer
    x = 79,471.33

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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.