Home / 170,385.12-255,593.04-45,725.28

Finding the Fourth Proportional to 170,385.12, 255,593.04 and 45,725.28

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Solution

The fourth proportional to 170,385.12, 255,593.04 and 45,725.28 is: 68,592.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,385.12 : 255,593.04 = 45,725.28 : x
  2. Step 2: Convert to fraction form
    170,385.12/255,593.04 = 45,725.28/x
  3. Step 3: Cross multiply
    170,385.12x = 255,593.04 × 45,725.28
  4. Step 4: Simplify right side
    170,385.12x = 11,687,063,320.05
  5. Step 5: Solve for x
    x = 11,687,063,320.05/170,385.12
  6. Step 6: Final answer
    x = 68,592.04

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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.