Home / 321,899.76-444,276.65-185,909.27

Finding the Fourth Proportional to 321,899.76, 444,276.65 and 185,909.27

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Solution

The fourth proportional to 321,899.76, 444,276.65 and 185,909.27 is: 256,586.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,899.76 : 444,276.65 = 185,909.27 : x
  2. Step 2: Convert to fraction form
    321,899.76/444,276.65 = 185,909.27/x
  3. Step 3: Cross multiply
    321,899.76x = 444,276.65 × 185,909.27
  4. Step 4: Simplify right side
    321,899.76x = 82,595,144,528.62
  5. Step 5: Solve for x
    x = 82,595,144,528.62/321,899.76
  6. Step 6: Final answer
    x = 256,586.54

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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.