Home / 218,037.70-327,047.22-68,274.67

Finding the Fourth Proportional to 218,037.70, 327,047.22 and 68,274.67

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Solution

The fourth proportional to 218,037.70, 327,047.22 and 68,274.67 is: 102,409.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,037.70 : 327,047.22 = 68,274.67 : x
  2. Step 2: Convert to fraction form
    218,037.70/327,047.22 = 68,274.67/x
  3. Step 3: Cross multiply
    218,037.70x = 327,047.22 × 68,274.67
  4. Step 4: Simplify right side
    218,037.70x = 22,329,041,019.92
  5. Step 5: Solve for x
    x = 22,329,041,019.92/218,037.70
  6. Step 6: Final answer
    x = 102,409.08

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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.