Home / 217,199.56-324,313.70-194,564.11

Finding the Fourth Proportional to 217,199.56, 324,313.70 and 194,564.11

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Solution

The fourth proportional to 217,199.56, 324,313.70 and 194,564.11 is: 290,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,199.56 : 324,313.70 = 194,564.11 : x
  2. Step 2: Convert to fraction form
    217,199.56/324,313.70 = 194,564.11/x
  3. Step 3: Cross multiply
    217,199.56x = 324,313.70 × 194,564.11
  4. Step 4: Simplify right side
    217,199.56x = 63,099,806,401.31
  5. Step 5: Solve for x
    x = 63,099,806,401.31/217,199.56
  6. Step 6: Final answer
    x = 290,515.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.