Home / 327,000.80-490,625.74-113,792.40

Finding the Fourth Proportional to 327,000.80, 490,625.74 and 113,792.40

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Solution

The fourth proportional to 327,000.80, 490,625.74 and 113,792.40 is: 170,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,000.80 : 490,625.74 = 113,792.40 : x
  2. Step 2: Convert to fraction form
    327,000.80/490,625.74 = 113,792.40/x
  3. Step 3: Cross multiply
    327,000.80x = 490,625.74 × 113,792.40
  4. Step 4: Simplify right side
    327,000.80x = 55,829,480,456.38
  5. Step 5: Solve for x
    x = 55,829,480,456.38/327,000.80
  6. Step 6: Final answer
    x = 170,731.94

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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.