Home / 218,384.10-327,381.27-85,233.42

Finding the Fourth Proportional to 218,384.10, 327,381.27 and 85,233.42

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Solution

The fourth proportional to 218,384.10, 327,381.27 and 85,233.42 is: 127,774.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,384.10 : 327,381.27 = 85,233.42 : x
  2. Step 2: Convert to fraction form
    218,384.10/327,381.27 = 85,233.42/x
  3. Step 3: Cross multiply
    218,384.10x = 327,381.27 × 85,233.42
  4. Step 4: Simplify right side
    218,384.10x = 27,903,825,286.04
  5. Step 5: Solve for x
    x = 27,903,825,286.04/218,384.10
  6. Step 6: Final answer
    x = 127,774.07

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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.