Home / 340,517.68-469,917.57-187,556.43

Finding the Fourth Proportional to 340,517.68, 469,917.57 and 187,556.43

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Solution

The fourth proportional to 340,517.68, 469,917.57 and 187,556.43 is: 258,829.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,517.68 : 469,917.57 = 187,556.43 : x
  2. Step 2: Convert to fraction form
    340,517.68/469,917.57 = 187,556.43/x
  3. Step 3: Cross multiply
    340,517.68x = 469,917.57 × 187,556.43
  4. Step 4: Simplify right side
    340,517.68x = 88,136,060,179.79
  5. Step 5: Solve for x
    x = 88,136,060,179.79/340,517.68
  6. Step 6: Final answer
    x = 258,829.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.