Home / 218,336.81-327,535.96-76,161.35

Finding the Fourth Proportional to 218,336.81, 327,535.96 and 76,161.35

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Solution

The fourth proportional to 218,336.81, 327,535.96 and 76,161.35 is: 114,252.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,336.81 : 327,535.96 = 76,161.35 : x
  2. Step 2: Convert to fraction form
    218,336.81/327,535.96 = 76,161.35/x
  3. Step 3: Cross multiply
    218,336.81x = 327,535.96 × 76,161.35
  4. Step 4: Simplify right side
    218,336.81x = 24,945,580,887.15
  5. Step 5: Solve for x
    x = 24,945,580,887.15/218,336.81
  6. Step 6: Final answer
    x = 114,252.75

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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.