Home / 218,055.42-327,285.53-111,515.51

Finding the Fourth Proportional to 218,055.42, 327,285.53 and 111,515.51

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Solution

The fourth proportional to 218,055.42, 327,285.53 and 111,515.51 is: 167,376.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,055.42 : 327,285.53 = 111,515.51 : x
  2. Step 2: Convert to fraction form
    218,055.42/327,285.53 = 111,515.51/x
  3. Step 3: Cross multiply
    218,055.42x = 327,285.53 × 111,515.51
  4. Step 4: Simplify right side
    218,055.42x = 36,497,413,472.39
  5. Step 5: Solve for x
    x = 36,497,413,472.39/218,055.42
  6. Step 6: Final answer
    x = 167,376.78

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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.