Home / 321,905.20-444,284.15-185,914.71

Finding the Fourth Proportional to 321,905.20, 444,284.15 and 185,914.71

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Solution

The fourth proportional to 321,905.20, 444,284.15 and 185,914.71 is: 256,594.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,905.20 : 444,284.15 = 185,914.71 : x
  2. Step 2: Convert to fraction form
    321,905.20/444,284.15 = 185,914.71/x
  3. Step 3: Cross multiply
    321,905.20x = 444,284.15 × 185,914.71
  4. Step 4: Simplify right side
    321,905.20x = 82,598,958,904.85
  5. Step 5: Solve for x
    x = 82,598,958,904.85/321,905.20
  6. Step 6: Final answer
    x = 256,594.05

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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.