Home / 171,375.48-256,923.77-115,043.81

Finding the Fourth Proportional to 171,375.48, 256,923.77 and 115,043.81

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Solution

The fourth proportional to 171,375.48, 256,923.77 and 115,043.81 is: 172,472.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,375.48 : 256,923.77 = 115,043.81 : x
  2. Step 2: Convert to fraction form
    171,375.48/256,923.77 = 115,043.81/x
  3. Step 3: Cross multiply
    171,375.48x = 256,923.77 × 115,043.81
  4. Step 4: Simplify right side
    171,375.48x = 29,557,487,520.53
  5. Step 5: Solve for x
    x = 29,557,487,520.53/171,375.48
  6. Step 6: Final answer
    x = 172,472.09

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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.