Home / 329,030.20-493,205.10-178,953.40

Finding the Fourth Proportional to 329,030.20, 493,205.10 and 178,953.40

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Solution

The fourth proportional to 329,030.20, 493,205.10 and 178,953.40 is: 268,245.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,030.20 : 493,205.10 = 178,953.40 : x
  2. Step 2: Convert to fraction form
    329,030.20/493,205.10 = 178,953.40/x
  3. Step 3: Cross multiply
    329,030.20x = 493,205.10 × 178,953.40
  4. Step 4: Simplify right side
    329,030.20x = 88,260,729,542.34
  5. Step 5: Solve for x
    x = 88,260,729,542.34/329,030.20
  6. Step 6: Final answer
    x = 268,245.07

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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.