Home / 330,367.22-455,943.21-185,186.94

Finding the Fourth Proportional to 330,367.22, 455,943.21 and 185,186.94

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Solution

The fourth proportional to 330,367.22, 455,943.21 and 185,186.94 is: 255,578.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,367.22 : 455,943.21 = 185,186.94 : x
  2. Step 2: Convert to fraction form
    330,367.22/455,943.21 = 185,186.94/x
  3. Step 3: Cross multiply
    330,367.22x = 455,943.21 × 185,186.94
  4. Step 4: Simplify right side
    330,367.22x = 84,434,727,873.68
  5. Step 5: Solve for x
    x = 84,434,727,873.68/330,367.22
  6. Step 6: Final answer
    x = 255,578.41

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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.