Home / 329,531.20-494,181.60-171,707.20

Finding the Fourth Proportional to 329,531.20, 494,181.60 and 171,707.20

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Solution

The fourth proportional to 329,531.20, 494,181.60 and 171,707.20 is: 257,500.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,531.20 : 494,181.60 = 171,707.20 : x
  2. Step 2: Convert to fraction form
    329,531.20/494,181.60 = 171,707.20/x
  3. Step 3: Cross multiply
    329,531.20x = 494,181.60 × 171,707.20
  4. Step 4: Simplify right side
    329,531.20x = 84,854,538,827.52
  5. Step 5: Solve for x
    x = 84,854,538,827.52/329,531.20
  6. Step 6: Final answer
    x = 257,500.77

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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.