Home / 329,084.28-454,181.38-189,379.98

Finding the Fourth Proportional to 329,084.28, 454,181.38 and 189,379.98

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Solution

The fourth proportional to 329,084.28, 454,181.38 and 189,379.98 is: 261,370.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,084.28 : 454,181.38 = 189,379.98 : x
  2. Step 2: Convert to fraction form
    329,084.28/454,181.38 = 189,379.98/x
  3. Step 3: Cross multiply
    329,084.28x = 454,181.38 × 189,379.98
  4. Step 4: Simplify right side
    329,084.28x = 86,012,860,660.77
  5. Step 5: Solve for x
    x = 86,012,860,660.77/329,084.28
  6. Step 6: Final answer
    x = 261,370.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.