Home / 329,621.50-494,407.41-104,972.86

Finding the Fourth Proportional to 329,621.50, 494,407.41 and 104,972.86

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Solution

The fourth proportional to 329,621.50, 494,407.41 and 104,972.86 is: 157,451.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,621.50 : 494,407.41 = 104,972.86 : x
  2. Step 2: Convert to fraction form
    329,621.50/494,407.41 = 104,972.86/x
  3. Step 3: Cross multiply
    329,621.50x = 494,407.41 × 104,972.86
  4. Step 4: Simplify right side
    329,621.50x = 51,899,359,832.89
  5. Step 5: Solve for x
    x = 51,899,359,832.89/329,621.50
  6. Step 6: Final answer
    x = 157,451.38

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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.