Home / 329,042.20-493,223.10-178,965.40

Finding the Fourth Proportional to 329,042.20, 493,223.10 and 178,965.40

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Solution

The fourth proportional to 329,042.20, 493,223.10 and 178,965.40 is: 268,263.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,042.20 : 493,223.10 = 178,965.40 : x
  2. Step 2: Convert to fraction form
    329,042.20/493,223.10 = 178,965.40/x
  3. Step 3: Cross multiply
    329,042.20x = 493,223.10 × 178,965.40
  4. Step 4: Simplify right side
    329,042.20x = 88,269,869,380.74
  5. Step 5: Solve for x
    x = 88,269,869,380.74/329,042.20
  6. Step 6: Final answer
    x = 268,263.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.