Home / 329,979.30-494,823.15-130,233.30

Finding the Fourth Proportional to 329,979.30, 494,823.15 and 130,233.30

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Solution

The fourth proportional to 329,979.30, 494,823.15 and 130,233.30 is: 195,292.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,979.30 : 494,823.15 = 130,233.30 : x
  2. Step 2: Convert to fraction form
    329,979.30/494,823.15 = 130,233.30/x
  3. Step 3: Cross multiply
    329,979.30x = 494,823.15 × 130,233.30
  4. Step 4: Simplify right side
    329,979.30x = 64,442,451,740.90
  5. Step 5: Solve for x
    x = 64,442,451,740.90/329,979.30
  6. Step 6: Final answer
    x = 195,292.41

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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.