Home / 187,175.07-280,893.83-108,180.63

Finding the Fourth Proportional to 187,175.07, 280,893.83 and 108,180.63

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Solution

The fourth proportional to 187,175.07, 280,893.83 and 108,180.63 is: 162,346.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,175.07 : 280,893.83 = 108,180.63 : x
  2. Step 2: Convert to fraction form
    187,175.07/280,893.83 = 108,180.63/x
  3. Step 3: Cross multiply
    187,175.07x = 280,893.83 × 108,180.63
  4. Step 4: Simplify right side
    187,175.07x = 30,387,270,951.61
  5. Step 5: Solve for x
    x = 30,387,270,951.61/187,175.07
  6. Step 6: Final answer
    x = 162,346.79

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1.5x scale

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.