Home / 218,138.10-327,225.78-60,366.30

Finding the Fourth Proportional to 218,138.10, 327,225.78 and 60,366.30

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Solution

The fourth proportional to 218,138.10, 327,225.78 and 60,366.30 is: 90,554.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,138.10 : 327,225.78 = 60,366.30 : x
  2. Step 2: Convert to fraction form
    218,138.10/327,225.78 = 60,366.30/x
  3. Step 3: Cross multiply
    218,138.10x = 327,225.78 × 60,366.30
  4. Step 4: Simplify right side
    218,138.10x = 19,753,409,603.21
  5. Step 5: Solve for x
    x = 19,753,409,603.21/218,138.10
  6. Step 6: Final answer
    x = 90,554.61

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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.