Home / 218,203.20-327,159-176,135.04

Finding the Fourth Proportional to 218,203.20, 327,159 and 176,135.04

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Solution

The fourth proportional to 218,203.20, 327,159 and 176,135.04 is: 264,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,203.20 : 327,159 = 176,135.04 : x
  2. Step 2: Convert to fraction form
    218,203.20/327,159 = 176,135.04/x
  3. Step 3: Cross multiply
    218,203.20x = 327,159 × 176,135.04
  4. Step 4: Simplify right side
    218,203.20x = 57,624,163,551.36
  5. Step 5: Solve for x
    x = 57,624,163,551.36/218,203.20
  6. Step 6: Final answer
    x = 264,084.87

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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.