Home / 327,974.20-492,047.70-117,590.20

Finding the Fourth Proportional to 327,974.20, 492,047.70 and 117,590.20

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Solution

The fourth proportional to 327,974.20, 492,047.70 and 117,590.20 is: 176,416.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,974.20 : 492,047.70 = 117,590.20 : x
  2. Step 2: Convert to fraction form
    327,974.20/492,047.70 = 117,590.20/x
  3. Step 3: Cross multiply
    327,974.20x = 492,047.70 × 117,590.20
  4. Step 4: Simplify right side
    327,974.20x = 57,859,987,452.54
  5. Step 5: Solve for x
    x = 57,859,987,452.54/327,974.20
  6. Step 6: Final answer
    x = 176,416.28

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1.5x scale

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.