Home / 321,327.04-443,381.16-185,366.11

Finding the Fourth Proportional to 321,327.04, 443,381.16 and 185,366.11

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Solution

The fourth proportional to 321,327.04, 443,381.16 and 185,366.11 is: 255,776.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,327.04 : 443,381.16 = 185,366.11 : x
  2. Step 2: Convert to fraction form
    321,327.04/443,381.16 = 185,366.11/x
  3. Step 3: Cross multiply
    321,327.04x = 443,381.16 × 185,366.11
  4. Step 4: Simplify right side
    321,327.04x = 82,187,840,876.49
  5. Step 5: Solve for x
    x = 82,187,840,876.49/321,327.04
  6. Step 6: Final answer
    x = 255,776.30

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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.