Home / 170,964.54-256,498.65-82,192.86

Finding the Fourth Proportional to 170,964.54, 256,498.65 and 82,192.86

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Solution

The fourth proportional to 170,964.54, 256,498.65 and 82,192.86 is: 123,314.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,964.54 : 256,498.65 = 82,192.86 : x
  2. Step 2: Convert to fraction form
    170,964.54/256,498.65 = 82,192.86/x
  3. Step 3: Cross multiply
    170,964.54x = 256,498.65 × 82,192.86
  4. Step 4: Simplify right side
    170,964.54x = 21,082,357,629.64
  5. Step 5: Solve for x
    x = 21,082,357,629.64/170,964.54
  6. Step 6: Final answer
    x = 123,314.21

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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.