Home / 170,156.62-255,077.20-75,336.26

Finding the Fourth Proportional to 170,156.62, 255,077.20 and 75,336.26

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Solution

The fourth proportional to 170,156.62, 255,077.20 and 75,336.26 is: 112,934.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,156.62 : 255,077.20 = 75,336.26 : x
  2. Step 2: Convert to fraction form
    170,156.62/255,077.20 = 75,336.26/x
  3. Step 3: Cross multiply
    170,156.62x = 255,077.20 × 75,336.26
  4. Step 4: Simplify right side
    170,156.62x = 19,216,561,882.59
  5. Step 5: Solve for x
    x = 19,216,561,882.59/170,156.62
  6. Step 6: Final answer
    x = 112,934.56

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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.