Home / 218,015.10-327,033.45-113,039.10

Finding the Fourth Proportional to 218,015.10, 327,033.45 and 113,039.10

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Solution

The fourth proportional to 218,015.10, 327,033.45 and 113,039.10 is: 169,564.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,015.10 : 327,033.45 = 113,039.10 : x
  2. Step 2: Convert to fraction form
    218,015.10/327,033.45 = 113,039.10/x
  3. Step 3: Cross multiply
    218,015.10x = 327,033.45 × 113,039.10
  4. Step 4: Simplify right side
    218,015.10x = 36,967,566,857.90
  5. Step 5: Solve for x
    x = 36,967,566,857.90/218,015.10
  6. Step 6: Final answer
    x = 169,564.25

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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.